diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 46c92aef..9ea5e199 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: [ 3.8, 3.10, 3.12 ]
+        python: [ "3.8", "3.10", "3.12" ]
         robotframework:
           - "4.1.0"
           - "5.0.0"