diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index ff69bea..d799415 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -24,6 +24,13 @@ jobs:
       matrix:
         rails-version: ['5.2.5', '6.0.3.6', '6.1.3.1', 'main']
         ruby-version: ['2.5', '2.6', '2.7', '3.0']
+        exclude:
+          - rails-version: 'main'
+            ruby-version: '2.5'
+          - rails-version: 'main'
+            ruby-version: '2.6'
+          - rails-version: '5.2.5'
+            ruby-version: '3.0'
 
     env:
       RAILS_VERSION: ${{ matrix.rails-version }}