diff --git a/.github/workflows/aggregate_root_coverage.yml b/.github/workflows/aggregate_root_coverage.yml
index 6faafe8eda..7af8392afc 100644
--- a/.github/workflows/aggregate_root_coverage.yml
+++ b/.github/workflows/aggregate_root_coverage.yml
@@ -29,6 +29,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: aggregate_root
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/aggregate_root_mutate.yml b/.github/workflows/aggregate_root_mutate.yml
index 66961abf45..c82ad4f115 100644
--- a/.github/workflows/aggregate_root_mutate.yml
+++ b/.github/workflows/aggregate_root_mutate.yml
@@ -37,6 +37,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: aggregate_root
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/aggregate_root_test.yml b/.github/workflows/aggregate_root_test.yml
index d5fecb7876..8087069a2a 100644
--- a/.github/workflows/aggregate_root_test.yml
+++ b/.github/workflows/aggregate_root_test.yml
@@ -37,6 +37,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: aggregate_root
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/dres_client_test.yml b/.github/workflows/dres_client_test.yml
index 67c60304ac..a9410443ac 100644
--- a/.github/workflows/dres_client_test.yml
+++ b/.github/workflows/dres_client_test.yml
@@ -29,6 +29,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/dres_client
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/dres_rails_test.yml b/.github/workflows/dres_rails_test.yml
index 278dba8dad..1346ffcd4c 100644
--- a/.github/workflows/dres_rails_test.yml
+++ b/.github/workflows/dres_rails_test.yml
@@ -29,6 +29,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/dres_rails
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
       DATABASE_URL: "${{ matrix.database_url }}"
diff --git a/.github/workflows/minitest-ruby_event_store_coverage.yml b/.github/workflows/minitest-ruby_event_store_coverage.yml
index 4e04efac82..a526d29348 100644
--- a/.github/workflows/minitest-ruby_event_store_coverage.yml
+++ b/.github/workflows/minitest-ruby_event_store_coverage.yml
@@ -29,6 +29,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/minitest-ruby_event_store
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/minitest-ruby_event_store_mutate.yml b/.github/workflows/minitest-ruby_event_store_mutate.yml
index 9161e15f6e..e8bd58e78c 100644
--- a/.github/workflows/minitest-ruby_event_store_mutate.yml
+++ b/.github/workflows/minitest-ruby_event_store_mutate.yml
@@ -27,6 +27,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/minitest-ruby_event_store
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/minitest-ruby_event_store_test.yml b/.github/workflows/minitest-ruby_event_store_test.yml
index e87400ae80..0fdd6fd15c 100644
--- a/.github/workflows/minitest-ruby_event_store_test.yml
+++ b/.github/workflows/minitest-ruby_event_store_test.yml
@@ -27,6 +27,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/minitest-ruby_event_store
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/rails_event_store_coverage.yml b/.github/workflows/rails_event_store_coverage.yml
index 23fe8190ce..f66b2a11e0 100644
--- a/.github/workflows/rails_event_store_coverage.yml
+++ b/.github/workflows/rails_event_store_coverage.yml
@@ -29,6 +29,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: rails_event_store
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/rails_event_store_mutate.yml b/.github/workflows/rails_event_store_mutate.yml
index 80b4a35140..0280ae6791 100644
--- a/.github/workflows/rails_event_store_mutate.yml
+++ b/.github/workflows/rails_event_store_mutate.yml
@@ -37,6 +37,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: rails_event_store
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/rails_event_store_test.yml b/.github/workflows/rails_event_store_test.yml
index 43de1045e7..8721c90836 100644
--- a/.github/workflows/rails_event_store_test.yml
+++ b/.github/workflows/rails_event_store_test.yml
@@ -37,6 +37,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: rails_event_store
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-active_record_coverage.yml b/.github/workflows/ruby_event_store-active_record_coverage.yml
index c5878f2ecc..278d432028 100644
--- a/.github/workflows/ruby_event_store-active_record_coverage.yml
+++ b/.github/workflows/ruby_event_store-active_record_coverage.yml
@@ -29,6 +29,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: ruby_event_store-active_record
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-active_record_mutate.yml b/.github/workflows/ruby_event_store-active_record_mutate.yml
index 722e03e536..dda76950ef 100644
--- a/.github/workflows/ruby_event_store-active_record_mutate.yml
+++ b/.github/workflows/ruby_event_store-active_record_mutate.yml
@@ -37,6 +37,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: ruby_event_store-active_record
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-active_record_test.yml b/.github/workflows/ruby_event_store-active_record_test.yml
index d384cfb92d..7484ded249 100644
--- a/.github/workflows/ruby_event_store-active_record_test.yml
+++ b/.github/workflows/ruby_event_store-active_record_test.yml
@@ -37,6 +37,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: ruby_event_store-active_record
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
       DATABASE_URL: "${{ matrix.database_url }}"
diff --git a/.github/workflows/ruby_event_store-browser_assets.yml b/.github/workflows/ruby_event_store-browser_assets.yml
index 2cba867e8b..2bbaf95a3f 100644
--- a/.github/workflows/ruby_event_store-browser_assets.yml
+++ b/.github/workflows/ruby_event_store-browser_assets.yml
@@ -11,6 +11,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: ruby_event_store-browser
+      RUBYOPT: "--enable-frozen-string-literal"
     steps:
     - uses: actions/checkout@v4
       with:
diff --git a/.github/workflows/ruby_event_store-browser_coverage.yml b/.github/workflows/ruby_event_store-browser_coverage.yml
index 19bcf69505..5e248a4204 100644
--- a/.github/workflows/ruby_event_store-browser_coverage.yml
+++ b/.github/workflows/ruby_event_store-browser_coverage.yml
@@ -29,6 +29,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: ruby_event_store-browser
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-browser_mutate.yml b/.github/workflows/ruby_event_store-browser_mutate.yml
index b005cb3c3e..40e23c5731 100644
--- a/.github/workflows/ruby_event_store-browser_mutate.yml
+++ b/.github/workflows/ruby_event_store-browser_mutate.yml
@@ -37,6 +37,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: ruby_event_store-browser
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-browser_test.yml b/.github/workflows/ruby_event_store-browser_test.yml
index 9764b63a0e..b7112fb4f3 100644
--- a/.github/workflows/ruby_event_store-browser_test.yml
+++ b/.github/workflows/ruby_event_store-browser_test.yml
@@ -37,6 +37,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: ruby_event_store-browser
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-flipper_coverage.yml b/.github/workflows/ruby_event_store-flipper_coverage.yml
index 5995ce1ab0..d90ff70049 100644
--- a/.github/workflows/ruby_event_store-flipper_coverage.yml
+++ b/.github/workflows/ruby_event_store-flipper_coverage.yml
@@ -29,6 +29,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-flipper
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-flipper_mutate.yml b/.github/workflows/ruby_event_store-flipper_mutate.yml
index 59135fa8f1..beefa3f494 100644
--- a/.github/workflows/ruby_event_store-flipper_mutate.yml
+++ b/.github/workflows/ruby_event_store-flipper_mutate.yml
@@ -27,6 +27,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-flipper
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-flipper_test.yml b/.github/workflows/ruby_event_store-flipper_test.yml
index 7c42ea87b8..d9ffce3dd0 100644
--- a/.github/workflows/ruby_event_store-flipper_test.yml
+++ b/.github/workflows/ruby_event_store-flipper_test.yml
@@ -27,6 +27,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-flipper
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-newrelic_coverage.yml b/.github/workflows/ruby_event_store-newrelic_coverage.yml
index c5e77d3817..44f9eee794 100644
--- a/.github/workflows/ruby_event_store-newrelic_coverage.yml
+++ b/.github/workflows/ruby_event_store-newrelic_coverage.yml
@@ -29,6 +29,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-newrelic
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-newrelic_mutate.yml b/.github/workflows/ruby_event_store-newrelic_mutate.yml
index 22aca17f4e..07ec495dc4 100644
--- a/.github/workflows/ruby_event_store-newrelic_mutate.yml
+++ b/.github/workflows/ruby_event_store-newrelic_mutate.yml
@@ -27,6 +27,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-newrelic
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-newrelic_test.yml b/.github/workflows/ruby_event_store-newrelic_test.yml
index 5e71481300..74b5d62ad4 100644
--- a/.github/workflows/ruby_event_store-newrelic_test.yml
+++ b/.github/workflows/ruby_event_store-newrelic_test.yml
@@ -27,6 +27,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-newrelic
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-outbox_coverage.yml b/.github/workflows/ruby_event_store-outbox_coverage.yml
index 2d3cd2acc8..045ddc3980 100644
--- a/.github/workflows/ruby_event_store-outbox_coverage.yml
+++ b/.github/workflows/ruby_event_store-outbox_coverage.yml
@@ -29,6 +29,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-outbox
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-outbox_mutate.yml b/.github/workflows/ruby_event_store-outbox_mutate.yml
index 36c8836762..141b0fb431 100644
--- a/.github/workflows/ruby_event_store-outbox_mutate.yml
+++ b/.github/workflows/ruby_event_store-outbox_mutate.yml
@@ -27,6 +27,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-outbox
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-outbox_test.yml b/.github/workflows/ruby_event_store-outbox_test.yml
index 3797a15683..f6379c12c8 100644
--- a/.github/workflows/ruby_event_store-outbox_test.yml
+++ b/.github/workflows/ruby_event_store-outbox_test.yml
@@ -27,6 +27,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-outbox
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
       DATABASE_URL: "${{ matrix.database_url }}"
diff --git a/.github/workflows/ruby_event_store-profiler_coverage.yml b/.github/workflows/ruby_event_store-profiler_coverage.yml
index 7ccb6a4e85..7c4b76b15c 100644
--- a/.github/workflows/ruby_event_store-profiler_coverage.yml
+++ b/.github/workflows/ruby_event_store-profiler_coverage.yml
@@ -29,6 +29,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-profiler
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-profiler_mutate.yml b/.github/workflows/ruby_event_store-profiler_mutate.yml
index 1ec849d891..1e34f475e5 100644
--- a/.github/workflows/ruby_event_store-profiler_mutate.yml
+++ b/.github/workflows/ruby_event_store-profiler_mutate.yml
@@ -27,6 +27,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-profiler
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-profiler_test.yml b/.github/workflows/ruby_event_store-profiler_test.yml
index 63c86f6465..19611f9ad0 100644
--- a/.github/workflows/ruby_event_store-profiler_test.yml
+++ b/.github/workflows/ruby_event_store-profiler_test.yml
@@ -27,6 +27,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-profiler
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-protobuf_coverage.yml b/.github/workflows/ruby_event_store-protobuf_coverage.yml
index 40eaf41c5e..448c432b44 100644
--- a/.github/workflows/ruby_event_store-protobuf_coverage.yml
+++ b/.github/workflows/ruby_event_store-protobuf_coverage.yml
@@ -29,6 +29,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-protobuf
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-protobuf_mutate.yml b/.github/workflows/ruby_event_store-protobuf_mutate.yml
index 1281c5f082..7ddb9bf46a 100644
--- a/.github/workflows/ruby_event_store-protobuf_mutate.yml
+++ b/.github/workflows/ruby_event_store-protobuf_mutate.yml
@@ -27,6 +27,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-protobuf
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-protobuf_test.yml b/.github/workflows/ruby_event_store-protobuf_test.yml
index c51264ffb1..f6b89bd2cc 100644
--- a/.github/workflows/ruby_event_store-protobuf_test.yml
+++ b/.github/workflows/ruby_event_store-protobuf_test.yml
@@ -27,6 +27,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-protobuf
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
       DATABASE_URL: "${{ matrix.database_url }}"
diff --git a/.github/workflows/ruby_event_store-rom_coverage.yml b/.github/workflows/ruby_event_store-rom_coverage.yml
index 0488a00e61..a3f31de6c7 100644
--- a/.github/workflows/ruby_event_store-rom_coverage.yml
+++ b/.github/workflows/ruby_event_store-rom_coverage.yml
@@ -29,6 +29,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-rom
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-rom_mutate.yml b/.github/workflows/ruby_event_store-rom_mutate.yml
index d405482412..89f6545946 100644
--- a/.github/workflows/ruby_event_store-rom_mutate.yml
+++ b/.github/workflows/ruby_event_store-rom_mutate.yml
@@ -27,6 +27,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-rom
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-rom_test.yml b/.github/workflows/ruby_event_store-rom_test.yml
index 6c2eeca053..530caa4193 100644
--- a/.github/workflows/ruby_event_store-rom_test.yml
+++ b/.github/workflows/ruby_event_store-rom_test.yml
@@ -27,6 +27,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-rom
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
       DATABASE_URL: "${{ matrix.database_url }}"
diff --git a/.github/workflows/ruby_event_store-rspec_coverage.yml b/.github/workflows/ruby_event_store-rspec_coverage.yml
index af23fb7665..8aacd636dc 100644
--- a/.github/workflows/ruby_event_store-rspec_coverage.yml
+++ b/.github/workflows/ruby_event_store-rspec_coverage.yml
@@ -29,6 +29,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: ruby_event_store-rspec
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-rspec_mutate.yml b/.github/workflows/ruby_event_store-rspec_mutate.yml
index 944c5b5b10..9564945773 100644
--- a/.github/workflows/ruby_event_store-rspec_mutate.yml
+++ b/.github/workflows/ruby_event_store-rspec_mutate.yml
@@ -37,6 +37,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: ruby_event_store-rspec
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-rspec_test.yml b/.github/workflows/ruby_event_store-rspec_test.yml
index 3260279aa6..f6e0713738 100644
--- a/.github/workflows/ruby_event_store-rspec_test.yml
+++ b/.github/workflows/ruby_event_store-rspec_test.yml
@@ -37,6 +37,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: ruby_event_store-rspec
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-sequel_coverage.yml b/.github/workflows/ruby_event_store-sequel_coverage.yml
index 81197b03e7..b4a0a1ae99 100644
--- a/.github/workflows/ruby_event_store-sequel_coverage.yml
+++ b/.github/workflows/ruby_event_store-sequel_coverage.yml
@@ -29,6 +29,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-sequel
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-sequel_mutate.yml b/.github/workflows/ruby_event_store-sequel_mutate.yml
index a6559f04d7..33ebcc99dd 100644
--- a/.github/workflows/ruby_event_store-sequel_mutate.yml
+++ b/.github/workflows/ruby_event_store-sequel_mutate.yml
@@ -27,6 +27,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-sequel
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-sequel_test.yml b/.github/workflows/ruby_event_store-sequel_test.yml
index 4d71de2257..0cc8f022e5 100644
--- a/.github/workflows/ruby_event_store-sequel_test.yml
+++ b/.github/workflows/ruby_event_store-sequel_test.yml
@@ -27,6 +27,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-sequel
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
       DATABASE_URL: "${{ matrix.database_url }}"
diff --git a/.github/workflows/ruby_event_store-sidekiq_scheduler_coverage.yml b/.github/workflows/ruby_event_store-sidekiq_scheduler_coverage.yml
index 6311e2c236..3c640e8624 100644
--- a/.github/workflows/ruby_event_store-sidekiq_scheduler_coverage.yml
+++ b/.github/workflows/ruby_event_store-sidekiq_scheduler_coverage.yml
@@ -29,6 +29,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-sidekiq_scheduler
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-sidekiq_scheduler_mutate.yml b/.github/workflows/ruby_event_store-sidekiq_scheduler_mutate.yml
index 0d7980750e..636fef247f 100644
--- a/.github/workflows/ruby_event_store-sidekiq_scheduler_mutate.yml
+++ b/.github/workflows/ruby_event_store-sidekiq_scheduler_mutate.yml
@@ -27,6 +27,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-sidekiq_scheduler
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-sidekiq_scheduler_test.yml b/.github/workflows/ruby_event_store-sidekiq_scheduler_test.yml
index 2afb931b71..f65fda88ff 100644
--- a/.github/workflows/ruby_event_store-sidekiq_scheduler_test.yml
+++ b/.github/workflows/ruby_event_store-sidekiq_scheduler_test.yml
@@ -27,6 +27,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-sidekiq_scheduler
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-transformations_coverage.yml b/.github/workflows/ruby_event_store-transformations_coverage.yml
index 7e85db96ca..9b95eae314 100644
--- a/.github/workflows/ruby_event_store-transformations_coverage.yml
+++ b/.github/workflows/ruby_event_store-transformations_coverage.yml
@@ -29,6 +29,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-transformations
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-transformations_mutate.yml b/.github/workflows/ruby_event_store-transformations_mutate.yml
index 7c5c63d7be..fb718e31c7 100644
--- a/.github/workflows/ruby_event_store-transformations_mutate.yml
+++ b/.github/workflows/ruby_event_store-transformations_mutate.yml
@@ -27,6 +27,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-transformations
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store-transformations_test.yml b/.github/workflows/ruby_event_store-transformations_test.yml
index f4de04e5b6..ce924ba371 100644
--- a/.github/workflows/ruby_event_store-transformations_test.yml
+++ b/.github/workflows/ruby_event_store-transformations_test.yml
@@ -27,6 +27,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: contrib/ruby_event_store-transformations
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store_coverage.yml b/.github/workflows/ruby_event_store_coverage.yml
index 965dce3e91..e0b870aaa9 100644
--- a/.github/workflows/ruby_event_store_coverage.yml
+++ b/.github/workflows/ruby_event_store_coverage.yml
@@ -29,6 +29,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: ruby_event_store
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store_mutate.yml b/.github/workflows/ruby_event_store_mutate.yml
index 82e328e7b8..9d0a064fd1 100644
--- a/.github/workflows/ruby_event_store_mutate.yml
+++ b/.github/workflows/ruby_event_store_mutate.yml
@@ -37,6 +37,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: ruby_event_store
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/.github/workflows/ruby_event_store_test.yml b/.github/workflows/ruby_event_store_test.yml
index 9baf6214bc..a8a9e32a63 100644
--- a/.github/workflows/ruby_event_store_test.yml
+++ b/.github/workflows/ruby_event_store_test.yml
@@ -37,6 +37,7 @@ jobs:
     timeout-minutes: 120
     env:
       WORKING_DIRECTORY: ruby_event_store
+      RUBYOPT: "--enable-frozen-string-literal"
       RUBY_VERSION: "${{ matrix.ruby_version }}"
       BUNDLE_GEMFILE: "${{ matrix.bundle_gemfile }}"
     strategy:
diff --git a/support/ci/generate b/support/ci/generate
index 8024c664ad..2b85953842 100755
--- a/support/ci/generate
+++ b/support/ci/generate
@@ -560,7 +560,7 @@ class CI
         {
           "runs-on" => "ubuntu-20.04",
           "timeout-minutes" => 120,
-          "env" => { "WORKING_DIRECTORY" => working_directory }.merge(env(matrix)),
+          "env" => { "WORKING_DIRECTORY" => working_directory, "RUBYOPT" => "--enable-frozen-string-literal" }.merge(env(matrix)),
           "services" => services.reduce(&:merge),
           "strategy" => {
             "fail-fast" => false,