diff --git a/.github/workflows/analyze.yml b/.github/workflows/analyze.yml
index bd93b20..ee60e7c 100644
--- a/.github/workflows/analyze.yml
+++ b/.github/workflows/analyze.yml
@@ -49,7 +49,7 @@ jobs:
         run: mkdir -p ${{ steps.composer-cache.outputs.dir }}
 
       - name: Cache composer dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v2.1.4
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
@@ -59,7 +59,7 @@ jobs:
         run: mkdir -p build/phpstan
 
       - name: Cache PHPStan results
-        uses: actions/cache@v2
+        uses: actions/cache@v2.1.4
         with:
           path: build/phpstan
           key: ${{ runner.os }}-phpstan-${{ github.sha }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a1cb9a3..32c81fe 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -37,7 +37,7 @@ jobs:
         run: echo "::set-output name=dir::$(composer config cache-files-dir)"
 
       - name: Cache composer dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v2.1.4
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}