diff --git a/Gemfile b/Gemfile
index 31e61d522..5f067e9ef 100644
--- a/Gemfile
+++ b/Gemfile
@@ -16,4 +16,4 @@ group :test do
   gem 'simplecov-rcov'
 end
 
-gem 'activesupport', '~> 5.2.0'
+gem 'activesupport', '~> 6.0.6'
diff --git a/Gemfile.lock b/Gemfile.lock
index 07e02fb21..d2a17192b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,11 +1,12 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (5.2.8)
+    activesupport (6.0.6.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
+      zeitwerk (~> 2.2, >= 2.2.2)
     ast (2.4.2)
     builder (3.2.4)
     ci_reporter (2.0.0)
@@ -15,16 +16,16 @@ GEM
       rspec (>= 2.14, < 4)
     coderay (1.1.3)
     colorize (0.8.1)
-    concurrent-ruby (1.1.10)
+    concurrent-ruby (1.2.0)
     diff-lcs (1.5.0)
     docile (1.4.0)
     git (1.7.0)
       rchardet (~> 1.8)
     gnuplot (2.6.2)
-    i18n (1.10.0)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     method_source (1.0.0)
-    minitest (5.15.0)
+    minitest (5.17.0)
     parallel (1.22.1)
     parser (3.1.2.0)
       ast (~> 2.4.1)
@@ -78,20 +79,22 @@ GEM
     thread_safe (0.3.6)
     tins (1.31.1)
       sync
-    tzinfo (1.2.9)
+    tzinfo (1.2.11)
       thread_safe (~> 0.1)
     unicode-display_width (2.1.0)
     webrick (1.7.0)
     yard (0.9.28)
       webrick (~> 1.7.0)
+    zeitwerk (2.6.6)
 
 PLATFORMS
   aarch64-linux
   riscv64-linux
+  ruby
   x86_64-linux
 
 DEPENDENCIES
-  activesupport (~> 5.2.0)
+  activesupport (~> 6.0.6)
   ci_reporter_rspec
   colorize
   git (~> 1.7.0)
@@ -104,4 +107,3 @@ DEPENDENCIES
   simplecov
   simplecov-rcov
   term-ansicolor
-