diff --git a/.github/workflows/ci-build-proto.yml b/.github/workflows/ci-build-proto.yml
index 82736686..2a43c7e8 100644
--- a/.github/workflows/ci-build-proto.yml
+++ b/.github/workflows/ci-build-proto.yml
@@ -23,7 +23,7 @@ jobs:
         submodules: recursive
 
     - name: Mount bazel cache
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         # See https://docs.bazel.build/versions/master/output_directories.html
         path: "~/.cache/bazel"