diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index ae03ee8..0ace7d4 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cache/bazel
           key: ${{ runner.os }}-build-cache
diff --git a/.github/workflows/conformance.yaml b/.github/workflows/conformance.yaml
index 272dd0f..49805af 100644
--- a/.github/workflows/conformance.yaml
+++ b/.github/workflows/conformance.yaml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Setup Cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.cache/bazel
           key: ${{ runner.os }}-build-cache