diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 226ad04..82f4cd4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -11,29 +11,16 @@ jobs:
     strategy:
       matrix:
         ruby-version:
-        - 2.7
-        - '3.0'
         - 3.1
         - 3.2
         - 3.3
         rails:
-        - '6.1.5'
-        - '7.0.2.3'
         - '7.1.0'
         - '7.2.0'
         - '8.0.0'
         exclude:
-        - ruby-version: 2.7
-          rails:
-            - '7.2.0'
-            - '8.0.0'
-        - ruby-version: '3.0'
-          rails:
-            - '7.2.0'
-            - '8.0.0'
         - ruby-version: 3.1
-          rails:
-            - '8.0.0'
+          rails: '8.0.0'
     env:
       RAILS_VERSION: ${{ matrix.rails }}
     steps: