diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f86e5d2..b8e239f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -19,7 +19,7 @@ jobs:
         with:
           node-version: 14
       - name: Cache node modules
-        uses: actions/cache@v2
+        uses: actions/cache@v2.1.5
         env:
           cache-name: cache-node-modules
         with:
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index b3c90c6..029935f 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -19,7 +19,7 @@ jobs:
         with:
           languages: javascript
       - name: Cache node modules
-        uses: actions/cache@v2
+        uses: actions/cache@v2.1.5
         env:
           cache-name: cache-node-modules
         with:
diff --git a/.github/workflows/node.yml b/.github/workflows/node.yml
index efc18b1..4521332 100644
--- a/.github/workflows/node.yml
+++ b/.github/workflows/node.yml
@@ -16,7 +16,7 @@ jobs:
         with:
           node-version: 12
       - name: Cache node modules
-        uses: actions/cache@v2
+        uses: actions/cache@v2.1.5
         env:
           cache-name: cache-node-modules
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3f577ed..9024767 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -19,7 +19,7 @@ jobs:
         with:
           node-version: 14
       - name: Cache node modules
-        uses: actions/cache@v2
+        uses: actions/cache@v2.1.5
         env:
           cache-name: cache-node-modules
         with: