diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index 82cf7cacef9..4d12efe8f2a 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -28,7 +28,7 @@ jobs:
 
     - name: Cache source files in /tmp/sources
       id: cache-sources
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: /tmp/sources
         key: eb-sourcepath