diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 316cb9c..c6fe2e8 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        redis-version: ["4", "5"]
+        redis-version: [4, 5]
 
     name: Start Redis Server v${{ matrix.redis-version }}
     steps: