diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index bcb9d77d..029e9c21 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -122,7 +122,7 @@ jobs:
       - name: Run tests and generate coverage report
         run: cargo llvm-cov test --all-features --workspace --lcov --output-path lcov.info
       - name: Upload coverage to Coveralls
-        uses: coverallsapp/github-action@v2.2.0
+        uses: coverallsapp/github-action@643bc377ffa44ace6394b2b5d0d3950076de9f63 # v2.3.0
         with:
           file: ./lcov.info