diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2281dc95d..006b11612 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -64,7 +64,7 @@ jobs:
       run: echo "date=$(date +'%Y-%m')" >> $GITHUB_OUTPUT
 
     - name: Cache composer dependencies
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: ${{ steps.composer-cache.outputs.dir }}
         key: ${{ runner.os }}-composer-${{ steps.key-date.outputs.date }}-${{ hashFiles('composer.json') }}-${{ matrix.prefer-lowest }}
@@ -141,7 +141,7 @@ jobs:
         key: ${{ steps.key-date.outputs.date }}
 
     - name: Cache PHP extensions
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: ${{ steps.php-ext-cache.outputs.dir }}
         key: ${{ runner.os }}-php-ext-${{ steps.php-ext-cache.outputs.key }}
@@ -167,7 +167,7 @@ jobs:
       run: echo "dir=$(composer config cache-files-dir)" >> $env:GITHUB_OUTPUT
 
     - name: Cache composer dependencies
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: ${{ steps.composer-cache.outputs.dir }}
         key: ${{ runner.os }}-composer-${{ steps.key-date.outputs.date }}-${{ hashFiles('composer.json') }}-${{ matrix.prefer-lowest }}
@@ -209,7 +209,7 @@ jobs:
       run: echo "date=$(date +'%Y-%m')" >> $GITHUB_OUTPUT
 
     - name: Cache composer dependencies
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: ${{ steps.composer-cache.outputs.dir }}
         key: ${{ runner.os }}-composer-${{ steps.key-date.outputs.date }}-${{ hashFiles('composer.json') }}
diff --git a/.github/workflows/phar.yml b/.github/workflows/phar.yml
index 8cb6abcc0..5d275356e 100644
--- a/.github/workflows/phar.yml
+++ b/.github/workflows/phar.yml
@@ -22,7 +22,7 @@ jobs:
         run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
 
       - name: Cache dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}