diff --git a/Gemfile b/Gemfile
index 3756306..9712a64 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,4 @@
 source 'https://rubygems.org'
 gem 'rspec', '~> 2.13.0'
-gem 'activesupport', '~> 5.2.3'
+gem 'activesupport', '~> 6.0.6'
 gem 'grit'
diff --git a/Gemfile.lock b/Gemfile.lock
index 7e26d9f..a5283f9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,21 +1,22 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (5.2.3)
+    activesupport (6.0.6.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    concurrent-ruby (1.1.5)
+      zeitwerk (~> 2.2, >= 2.2.2)
+    concurrent-ruby (1.2.0)
     diff-lcs (1.2.4)
     grit (2.5.0)
       diff-lcs (~> 1.1)
       mime-types (~> 1.15)
       posix-spawn (~> 0.3.6)
-    i18n (1.6.0)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     mime-types (1.23)
-    minitest (5.11.3)
+    minitest (5.17.0)
     posix-spawn (0.3.6)
     rspec (2.13.0)
       rspec-core (~> 2.13.0)
@@ -26,14 +27,15 @@ GEM
       diff-lcs (>= 1.1.3, < 2.0)
     rspec-mocks (2.13.1)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.11)
       thread_safe (~> 0.1)
+    zeitwerk (2.6.6)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  activesupport (~> 5.2.3)
+  activesupport (~> 6.0.6)
   grit
   rspec (~> 2.13.0)