diff --git a/.github/workflows/pullrequest.yml b/.github/workflows/pullrequest.yml
index 7cd5abc..4d80473 100644
--- a/.github/workflows/pullrequest.yml
+++ b/.github/workflows/pullrequest.yml
@@ -76,7 +76,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           # otherwise we are testing target branch instead of the PR branch (see pull_request_target trigger)
           ref: ${{ github.event.pull_request.head.sha }}
@@ -150,7 +150,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           # otherwise we are testing target branch instead of the PR branch (see pull_request_target trigger)
           ref: ${{ github.event.pull_request.head.sha }}