diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index 7f23ce433..6d8b44c29 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -34,7 +34,7 @@ jobs:
       COMPARE_OUT_FILE: benchmark-results.txt
     steps:
       - name: Check out baseline branch
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: ${{ github.event.pull_request.base.sha }}
           path: base
@@ -52,7 +52,7 @@ jobs:
           test -s "$RUNNER_TEMP/$BASELINE_FILE" || { echo "Baseline not created at $BASELINE_FILE"; exit 1; }
       - name: Check out main branch
         if: ${{ github.event.pull_request.base.ref != 'main' }}
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: main
           path: main-branch
@@ -71,7 +71,7 @@ jobs:
           eval "$BENCH_CMD --save $RUNNER_TEMP/$MAIN_FILE"
           test -s "$RUNNER_TEMP/$MAIN_FILE" || { echo "Baseline (main) not created at $MAIN_FILE"; exit 1; }
       - name: Check out PR branch
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: ${{ github.event.pull_request.head.sha }}
           path: pr