diff --git a/Gemfile.lock b/Gemfile.lock
index f896226..a32da4d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -67,7 +67,7 @@ GEM
     parser (3.3.1.0)
       ast (~> 2.4.1)
       racc
-    racc (1.7.3)
+    racc (1.8.0)
     rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -78,8 +78,9 @@ GEM
       loofah (~> 2.3)
     rainbow (3.1.1)
     rake (13.0.6)
-    regexp_parser (2.9.1)
-    rexml (3.2.6)
+    regexp_parser (2.9.2)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rspec (3.11.0)
       rspec-core (~> 3.11.0)
       rspec-expectations (~> 3.11.0)
@@ -127,6 +128,7 @@ GEM
     standard-performance (1.0.1)
       lint_roller (~> 1.0)
       rubocop-performance (~> 1.16.0)
+    strscan (3.1.0)
     thor (1.2.1)
     tzinfo (2.0.4)
       concurrent-ruby (~> 1.0)