diff --git a/.github/workflows/audit.yml b/.github/workflows/audit.yml
index 75fe030..5f04b37 100644
--- a/.github/workflows/audit.yml
+++ b/.github/workflows/audit.yml
@@ -39,7 +39,7 @@ jobs:
         run: echo "DIR=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
 
       - name: Cache dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.composer-cache.outputs.DIR }}
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
diff --git a/.github/workflows/gitsplit.yml b/.github/workflows/gitsplit.yml
index c1cb122..338cd2d 100644
--- a/.github/workflows/gitsplit.yml
+++ b/.github/workflows/gitsplit.yml
@@ -16,7 +16,7 @@ jobs:
         run: git clone https://github.com/nbgrp/singlea ${{ github.workspace }} && cd ${{ github.workspace }}
 
       - name: Cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: /cache
           key: ${{ runner.os }}-gitcache