diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d17cab66..a06055d5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
           node-version: '10.x'
 
       - name: Cache dependencies
-        uses: actions/cache@v2.1.5
+        uses: actions/cache@v2.1.6
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
diff --git a/.github/workflows/gh-pages-deploy.yml b/.github/workflows/gh-pages-deploy.yml
index b91c356a..07acf3cb 100644
--- a/.github/workflows/gh-pages-deploy.yml
+++ b/.github/workflows/gh-pages-deploy.yml
@@ -17,7 +17,7 @@ jobs:
           node-version: '10.x'
 
       - name: Cache dependencies
-        uses: actions/cache@v2.1.5
+        uses: actions/cache@v2.1.6
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
diff --git a/.github/workflows/lint-md.yml b/.github/workflows/lint-md.yml
index 72caa539..230c0072 100644
--- a/.github/workflows/lint-md.yml
+++ b/.github/workflows/lint-md.yml
@@ -34,7 +34,7 @@ jobs:
           node-version: '10.x'
 
       - name: Cache dependencies
-        uses: actions/cache@v2.1.5
+        uses: actions/cache@v2.1.6
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}