diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index beed064d..41b7b358 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       matrix:
         os: [windows-latest, ubuntu-latest, macos-latest]
-        python-version: [3.8, 3.9, 3.10]
+        python-version: [3.8, 3.9, '3.10']
 
     steps:
     - uses: actions/checkout@v2