diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 05c02ad16..ba15c5042 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -42,7 +42,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.7.7
+          ruby-version: 3.2.2
       - uses: actions/setup-node@v2-beta
         with:
           node-version: '12'
diff --git a/.ruby-version b/.ruby-version
index 1f7da99d4..be94e6f53 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.7.7
+3.2.2
diff --git a/Dockerfile b/Dockerfile
index d10cf70ba..cf81d00dd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
-ARG RUBY_VERSION=2.7.7
+ARG RUBY_VERSION=3.2.2
 
-FROM ruby:2.7.7
+FROM ruby:${RUBY_VERSION}
 
 ENV HOME=/app
 WORKDIR /app
diff --git a/Gemfile b/Gemfile
index a1170f438..d5a976f45 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@ source 'https://rubygems.org'
 
 git_source(:github) { |name| "https://github.com/#{name}.git" }
 
-ruby '~> 2.7.7'
+ruby '~> 3.2.2'
 
 gem 'rails', '6.1.7.1'
 gem 'websocket-extensions', '~> 0.1.5'
diff --git a/Gemfile.lock b/Gemfile.lock
index 89bbcb83a..5128a7712 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -185,8 +185,8 @@ GEM
     database_cleaner-core (2.0.1)
     date (3.3.3)
     debug_inspector (1.1.0)
-    decent_decoration (0.1.0)
-      decent_exposure (~> 3.0)
+    decent_decoration (0.0.6)
+      decent_exposure (>= 2.0)
     decent_exposure (3.0.4)
       activesupport (>= 4.0)
     declarative (0.0.20)
@@ -838,7 +838,7 @@ DEPENDENCIES
   wicked (~> 1.1)
 
 RUBY VERSION
-   ruby 2.7.7p221
+   ruby 3.2.2p53
 
 BUNDLED WITH
    2.4.8