diff --git a/ruby/.ruby-version b/ruby/.ruby-version
index fd2a018..e4604e3 100644
--- a/ruby/.ruby-version
+++ b/ruby/.ruby-version
@@ -1 +1 @@
-3.1.0
+3.2.1
diff --git a/ruby/Gemfile b/ruby/Gemfile
index c463042..216ff33 100644
--- a/ruby/Gemfile
+++ b/ruby/Gemfile
@@ -1,5 +1,5 @@
 source 'https://rubygems.org'
-ruby '3.1.0'
+ruby '3.2.1'
 
 gem 'minitest', '~> 5.15'
 gem 'rake', '~> 13.0'
diff --git a/ruby/Gemfile.lock b/ruby/Gemfile.lock
index 254b503..d3a3d64 100644
--- a/ruby/Gemfile.lock
+++ b/ruby/Gemfile.lock
@@ -2,13 +2,13 @@ GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.2)
-    minitest (5.15.0)
-    parallel (1.21.0)
-    parser (3.1.0.0)
+    minitest (5.17.0)
+    parallel (1.22.1)
+    parser (3.2.1.0)
       ast (~> 2.4.1)
     rainbow (3.1.1)
     rake (13.0.6)
-    regexp_parser (2.2.0)
+    regexp_parser (2.7.0)
     rexml (3.2.5)
     rubocop (1.24.1)
       parallel (~> 1.10)
@@ -19,11 +19,11 @@ GEM
       rubocop-ast (>= 1.15.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.15.1)
-      parser (>= 3.0.1.1)
+    rubocop-ast (1.26.0)
+      parser (>= 3.2.1.0)
     ruby-progressbar (1.11.0)
-    unicode-display_width (2.1.0)
-    wordexp (0.1.1)
+    unicode-display_width (2.4.2)
+    wordexp (0.1.2)
 
 PLATFORMS
   arm64-darwin-21
@@ -36,7 +36,7 @@ DEPENDENCIES
   wordexp (~> 0.1)
 
 RUBY VERSION
-   ruby 3.1.0p0
+   ruby 3.2.1p31
 
 BUNDLED WITH
    2.4.6