diff --git a/.github/workflows/on.pr.yml b/.github/workflows/on.pr.yml
index 4c1f2c1..8f531ff 100644
--- a/.github/workflows/on.pr.yml
+++ b/.github/workflows/on.pr.yml
@@ -24,7 +24,7 @@ jobs:
         uses: actions/setup-java@v1
         with:
           java-version: 18
-      - uses: actions/cache@v1
+      - uses: actions/cache@v4
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-maven-5Jun-${{ hashFiles('**/pom.xml') }}
@@ -46,7 +46,7 @@ jobs:
         with:
           sarif_file: 'trivy-results.sarif'
       - name: Cache SonarCloud packages
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: ~/.sonar/cache
           key: ${{ runner.os }}-sonar