diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 7512bd1..5362025 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -10,7 +10,7 @@ jobs:
   tests:
     strategy:
       matrix:
-        ruby-version: [2.6, 2.7, 3.0, 3.1, 3.2]
+        ruby-version: [2.6, 2.7, "3.0", 3.1, 3.2]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3