diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c44b1ea..65026db 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: [3.10]
+        python-version: ["3.10"]
 
     steps:
     - name: Check out code