diff --git a/.github/workflows/cdk-diff-on-pr.yml b/.github/workflows/cdk-diff-on-pr.yml
index 21f7d4c..14b8a9c 100644
--- a/.github/workflows/cdk-diff-on-pr.yml
+++ b/.github/workflows/cdk-diff-on-pr.yml
@@ -61,7 +61,7 @@ jobs:
           node-version-file: ${{ inputs.node_version_file }}
 
       - name: Cache node_modules
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: '**/node_modules'
           key: ${{ runner.os }}-build-${{ hashFiles('**/package-lock.json') }}