diff --git a/.github/workflows/test_python_cplusplus.yml b/.github/workflows/test_python_cplusplus.yml
index 5714a37b21..2128f4df1a 100644
--- a/.github/workflows/test_python_cplusplus.yml
+++ b/.github/workflows/test_python_cplusplus.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
     - name: Cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: |
           ~/.cache/pooch
@@ -273,7 +273,7 @@ jobs:
 
     steps:
     - name: Cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: |
           ~/Library/Caches/pooch