diff --git a/action.yml b/action.yml
index e0dc2bb4..80e93340 100644
--- a/action.yml
+++ b/action.yml
@@ -315,7 +315,7 @@ runs:
     # ---- 3. Cache pip packages ----------------------------------------------
     - name: Cache pip packages
       if: steps.validate-inputs.outputs.cache == 'true'
-      uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+      uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
       with:
         path: ~/.cache/pip
         key: roam-pip-${{ runner.os }}-py${{ steps.validate-inputs.outputs.python-version }}-${{ steps.validate-inputs.outputs.version }}
@@ -325,7 +325,7 @@ runs:
     # ---- 4. Cache roam index (SQLite DB) ------------------------------------
     - name: Cache roam index
       if: steps.validate-inputs.outputs.cache == 'true'
-      uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
+      uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
       with:
         path: .roam/
         key: roam-index-${{ runner.os }}-${{ hashFiles('**/*.py', '**/*.js', '**/*.ts', '**/*.go', '**/*.rs', '**/*.java', '**/*.rb', '**/*.php', '**/*.cs', '**/*.c', '**/*.cpp') }}