diff --git a/.github/workflows/rails-integration-tests.yml b/.github/workflows/rails-integration-tests.yml
index 7ee5474..7f2690b 100644
--- a/.github/workflows/rails-integration-tests.yml
+++ b/.github/workflows/rails-integration-tests.yml
@@ -18,21 +18,21 @@ jobs:
         name: Compute outputs
         run: |
           rails_versions=$(curl https://rubygems.org/api/v1/versions/rails.json | jq 'group_by(.number[:1])[] | (.[0].number) | select(.[:1]|tonumber > 5)' | jq -s -c)
-          echo "RAILS_VERSIONS=$rails_versions" >> $GITHUB_OUTPUT
+          echo 'RAILS_VERSIONS=["5.2.8.1", "6.1.7.8", "7.1.3.4"]' >> $GITHUB_OUTPUT
   build-rails:
     strategy:
       fail-fast: false
       matrix:
         # Build containers with the latest 5.x.x, 6.x.x and 7.x.x Rails versions
         ruby: [2.7.8, 3.1.6]
-        rails: [5.2.8.1, 6.1.7.7, 7.1.3.4]
+        rails: ${{ fromJSON(needs.set-matrix.outputs.RAILS_VERSIONS) }}
         exclude:
-          - rails: 6.1.7.7
+          - rails: 5.2.8.1
+            ruby: 3.1.6
+          - rails: 6.1.7.8
             ruby: 2.7.8
           - rails: 7.1.3.4
             ruby: 2.7.8
-          - rails: 5.2.8.1
-            ruby: 3.1.6
 
     runs-on: ubuntu-latest
     name: Build and cache Docker containers