diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index 5a08f47..de5f20c 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -41,7 +41,7 @@ jobs:
         run: echo "::set-output name=dir::$(composer config cache-files-dir)"
 
       - name: Cache dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: composer-${{ runner.os }}-${{ matrix.php-version }}-${{ hashFiles('composer.*') }}
diff --git a/.github/workflows/static-analysis.yml b/.github/workflows/static-analysis.yml
index cf59207..c14793a 100644
--- a/.github/workflows/static-analysis.yml
+++ b/.github/workflows/static-analysis.yml
@@ -30,7 +30,7 @@ jobs:
         run: echo "::set-output name=directory::$(composer config cache-dir)"
 
       - name: Cache dependencies installed with composer
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ${{ steps.composer-cache.outputs.directory }}
           key: composer-${{ runner.os }}-${{ matrix.php-version }}-${{ hashFiles('composer.*') }}
@@ -72,7 +72,7 @@ jobs:
         run: echo "::set-output name=directory::$(composer config cache-dir)"
 
       - name: Cache dependencies installed with composer
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ${{ steps.composer-cache.outputs.directory }}
           key: composer-${{ runner.os }}-${{ matrix.php-version }}-${{ hashFiles('composer.*') }}
@@ -116,7 +116,7 @@ jobs:
         run: echo "::set-output name=directory::$(composer config cache-dir)"
 
       - name: Cache dependencies installed with composer
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ${{ steps.composer-cache.outputs.directory }}
           key: composer-${{ runner.os }}-${{ matrix.php-version }}-${{ hashFiles('composer.*') }}
@@ -131,7 +131,7 @@ jobs:
           composer bin php-cs-fixer install --no-interaction --no-progress --optimize-autoloader
 
       - name: Cache cache file for php-cs-fixer
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: .php_cs.cache
           key: composer-${{ runner.os }}-${{ matrix.php-version }}-${{ hashFiles('composer.*') }}