diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 97df18ce..c1ac3266 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -73,7 +73,7 @@ jobs:
 
       - name: Upload coverage to Codecov
         if: ${{ matrix.coverage }}
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@303a32d7a59b442fa8d48b6a1cc6825c09c847a5 # v7.1.1
         with:
           files: coverage.clover
           token: ${{ secrets.CODECOV_TOKEN }}