diff --git a/.github/workflows/ci-casper-client-sdk.yml b/.github/workflows/ci-casper-client-sdk.yml
index 5628bdf94..8e5ed4482 100644
--- a/.github/workflows/ci-casper-client-sdk.yml
+++ b/.github/workflows/ci-casper-client-sdk.yml
@@ -69,7 +69,7 @@ jobs:
         run: yarn test:coverage
 
       - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@84508663e988701840491b86de86b666e8a86bed # v4.3.0
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}