diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index ecdd5be..8346223 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -10,4 +10,4 @@ jobs:
   pytest:
     uses: colcon/ci/.github/workflows/pytest.yaml@cottsay/null-secret
     secrets:
-      CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+      CODECOV_TOKEN: '${{ secrets.CODECOV_TOKEN }}'