diff --git a/.github/workflows/specs.yml b/.github/workflows/specs.yml
index 027881d..64d2f1e 100644
--- a/.github/workflows/specs.yml
+++ b/.github/workflows/specs.yml
@@ -7,13 +7,13 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: ['2.7.x', '3.0.x', '3.1.x' ]
+        ruby: ['2.7.8', '3.0.6', '3.1.4' ]
     name: ${{ matrix.ruby }}
 
     steps:
       - uses: actions/checkout@v3
       - name: Set up ruby
-        uses: actions/setup-ruby@v1
+        uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}
       - name: Install dependencies