diff --git a/.github/workflows/test-docs.yml b/.github/workflows/test-docs.yml
index 9767aea2..7bc42068 100644
--- a/.github/workflows/test-docs.yml
+++ b/.github/workflows/test-docs.yml
@@ -36,7 +36,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9, 3.10]
+        python-version: [3.6, 3.7, 3.8, 3.9, "3.10"]
         dependencies: [normal]
         database: [sqlite]
         # Test other databases only with one version of Python (Debian buster has 3.7)
@@ -60,7 +60,7 @@ jobs:
           - python-version: 3.9
             dependencies: minimal
             database: sqlite
-          - python-version: 3.10
+          - python-version: "3.10"
             dependencies: minimal
             database: sqlite