diff --git a/.github/workflows/check-build.yml b/.github/workflows/check-build.yml
index 67b7b8e..c92be93 100644
--- a/.github/workflows/check-build.yml
+++ b/.github/workflows/check-build.yml
@@ -5,6 +5,9 @@ jobs:
     Linters:
         runs-on: ubuntu-latest
         steps:
+            - name: Checkout
+              uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+
             - name: set up JDK
               uses: actions/setup-java@v4
               with: