diff --git a/.github/workflows/unit-test-on-pull-request.yml b/.github/workflows/unit-test-on-pull-request.yml
index 59a3a83f8..13bf906bf 100644
--- a/.github/workflows/unit-test-on-pull-request.yml
+++ b/.github/workflows/unit-test-on-pull-request.yml
@@ -62,7 +62,7 @@ jobs:
       - name: Set up environment
         uses: ./.github/workflows/env
       - name: Cache coredump modules
-        uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4
+        uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
         with:
           path: tools/coredump/modulecache
           key: coredumps-${{ matrix.target_arch }}-${{ hashFiles('tools/coredump/testdata/*/*.json') }}