diff --git a/.github/workflows/ci-heavy.yml b/.github/workflows/ci-heavy.yml
index 9a53a25..2b88400 100644
--- a/.github/workflows/ci-heavy.yml
+++ b/.github/workflows/ci-heavy.yml
@@ -73,7 +73,7 @@ jobs:
           cache: true
 
       # Gradle 依赖缓存：冷缓存下 assembleDebug 实测 386s，命中后显著缩短。
-      - uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+      - uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: |
             ~/.gradle/caches