diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6b2c1d0..8c5e32a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Compile heartbeat example
         run: |
           cc -std=c11 -Wall -Wextra -Werror \