diff --git a/.github/workflows/deploy-docs.yml b/.github/workflows/deploy-docs.yml
index 70486f42..48828f7c 100644
--- a/.github/workflows/deploy-docs.yml
+++ b/.github/workflows/deploy-docs.yml
@@ -26,7 +26,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python-version: [3.10]
+        python-version: ['3.10']
     steps:
       - uses: actions/checkout@v5
         with: