diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index f8dd3ee..eb2eca7 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -18,7 +18,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-            python-version: ${{ fromJSON(vars.BUILD_PYTHON_VERSION) }}
+            python-version: ${{ vars.BUILD_PYTHON_VERSION }}
 
       - name: Install dependencies
         run: |
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 1340fe7..1f0a61a 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ${{ vars.PYTHON_VERSIONS }}
+        python-version: ${{ fromJSON(vars.PYTHON_VERSIONS) }}
         platform:
           - ubuntu-latest
           - macos-latest