diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 44777b9..3a9a66a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -129,7 +129,7 @@ jobs:
         run: go test -race -coverprofile=coverage.out -covermode=atomic ./...
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v7
+        uses: codecov/codecov-action@303a32d7a59b442fa8d48b6a1cc6825c09c847a5 # v7
         with:
           files: ./handshake/coverage.out
           flags: unittests