diff --git a/.github/workflows/ci-posix-compliance.yml b/.github/workflows/ci-posix-compliance.yml
index 09b14a60b5..489c6d740a 100644
--- a/.github/workflows/ci-posix-compliance.yml
+++ b/.github/workflows/ci-posix-compliance.yml
@@ -32,7 +32,7 @@ jobs:
     name: Check POSIX compliance
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
       - name: Install ShellCheck
         run: |
           sudo apt update