diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 19829b22..0f1d59b8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -19,7 +19,6 @@ jobs:
             ruby: "2.6.10"
 
     env:
-      RUBY_VERSION: ${{ matrix.ruby }}
       RAILS_VERSION: ${{ matrix.rails }}
 
     steps:
diff --git a/.github/workflows/rubocop-challenger.yml b/.github/workflows/rubocop-challenger.yml
index eca78732..b5345c8f 100644
--- a/.github/workflows/rubocop-challenger.yml
+++ b/.github/workflows/rubocop-challenger.yml
@@ -8,8 +8,6 @@ jobs:
   create-pr:
     name: Create Pull Request
     runs-on: ubuntu-latest
-    env:
-      RUBY_VERSION: 3.2.3
     steps:
       - uses: actions/checkout@v4
       - name: Set up Ruby 3.2
diff --git a/.github/workflows/rubocop.yml b/.github/workflows/rubocop.yml
index 49e35d4d..56368ef1 100644
--- a/.github/workflows/rubocop.yml
+++ b/.github/workflows/rubocop.yml
@@ -5,8 +5,6 @@ on: [push, pull_request]
 jobs:
   build:
     runs-on: ubuntu-latest
-    env:
-      RUBY_VERSION: 3.2.3
     steps:
       - uses: actions/checkout@v4
 
diff --git a/Gemfile b/Gemfile
index 358f8f65..813bfcd2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,6 @@ source 'https://rubygems.org'
 gemspec path: '.'
 
 # use ENV vars, with default value as fallback for local setup
-ruby(ENV['RUBY_VERSION'] || '3.2.2')
 gem 'actionpack', "~> #{ENV['RAILS_VERSION'] || '7.0'}.0"
 gem 'activesupport', "~> #{ENV['RAILS_VERSION'] || '7.0'}.0"