diff --git a/.github/workflows/speculative-plan.yaml b/.github/workflows/speculative-plan.yaml
index 47c3621..3b3a991 100644
--- a/.github/workflows/speculative-plan.yaml
+++ b/.github/workflows/speculative-plan.yaml
@@ -76,7 +76,7 @@ jobs:
           show-progress: false
 
       - name: Cache Plugins
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: ~/.tflint.d/plugins
           key: tflint-${{ hashFiles('.tflint.hcl') }}