diff --git a/.github/workflows/test-coding-standards.yml b/.github/workflows/test-coding-standards.yml
index a0dff09..7717a30 100644
--- a/.github/workflows/test-coding-standards.yml
+++ b/.github/workflows/test-coding-standards.yml
@@ -46,7 +46,7 @@ jobs:
         run: echo "COMPOSER_CACHE_FILES_DIR=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
 
       - name: Cache composer dependencies
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
         with:
           path: ${{ steps.composer-cache.outputs.COMPOSER_CACHE_FILES_DIR }}
           key: composer-${{ matrix.php-version }}-${{ hashFiles('**/composer.*') }}
diff --git a/.github/workflows/test-phpstan.yml b/.github/workflows/test-phpstan.yml
index c3548ba..f768cca 100644
--- a/.github/workflows/test-phpstan.yml
+++ b/.github/workflows/test-phpstan.yml
@@ -51,7 +51,7 @@ jobs:
         run: echo "COMPOSER_CACHE_FILES_DIR=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
 
       - name: Cache composer dependencies
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
         with:
           path: ${{ steps.composer-cache.outputs.COMPOSER_CACHE_FILES_DIR }}
           key: composer-${{ matrix.php-version }}-${{ hashFiles('**/composer.*') }}
@@ -60,7 +60,7 @@ jobs:
             composer-
 
       - name: Cache PHPStan cache directory
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
         with:
           path: build/phpstan
           key: phpstan-${{ github.sha }}
diff --git a/.github/workflows/test-phpunit.yml b/.github/workflows/test-phpunit.yml
index c44a1c3..471bc21 100644
--- a/.github/workflows/test-phpunit.yml
+++ b/.github/workflows/test-phpunit.yml
@@ -52,7 +52,7 @@ jobs:
         run: echo "COMPOSER_CACHE_FILES_DIR=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
 
       - name: Cache composer dependencies
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
         with:
           path: ${{ steps.composer-cache.outputs.COMPOSER_CACHE_FILES_DIR }}
           key: composer-${{ matrix.php-version }}-${{ hashFiles('**/composer.*') }}