diff --git a/.github/workflows/ruby_tests.yml b/.github/workflows/ruby_tests.yml
index b74231de1..a7871874b 100644
--- a/.github/workflows/ruby_tests.yml
+++ b/.github/workflows/ruby_tests.yml
@@ -29,7 +29,7 @@ jobs:
       fail-fast: false
       matrix:
         foreman-core-branch: [develop]
-        ruby-version: [2.5, 2.6, 2.7]
+        ruby-version: [2.7]
         node-version: [12]
     steps:
       - run: sudo apt-get update