diff --git a/.github/workflows/mkdocs.yml b/.github/workflows/mkdocs.yml
index 7d3e662..d731846 100644
--- a/.github/workflows/mkdocs.yml
+++ b/.github/workflows/mkdocs.yml
@@ -27,7 +27,7 @@ jobs:
           
       - run: echo "cache_id=$(date --utc '+%V')" >> $GITHUB_ENV
       
-      - uses: actions/cache@v4
+      - uses: actions/cache@v6
         with:
           key: mkdocs-material-${{ env.cache_id }}
           path: .cache
diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
index feb0b8f..82f45ca 100644
--- a/.github/workflows/phpstan.yml
+++ b/.github/workflows/phpstan.yml
@@ -21,7 +21,7 @@ jobs:
         php-version: '8.3'
 
     - name: Cache Composer packages
-      uses: actions/cache@v3
+      uses: actions/cache@v6
       with:
         path: vendor
         key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index 6440986..e9f5b03 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -24,7 +24,7 @@ jobs:
         run: composer validate --strict
 
       - name: Cache Composer packages
-        uses: actions/cache@v3
+        uses: actions/cache@v6
         with:
           path: vendor
           key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}