diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index e28ab9f..ed80ceb 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.10]
+        python-version: ['3.10']
         poetry-version: [1.3.2]
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}