diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4cb7a96..3689f9e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
       checks: write
       id-token: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
 
       - uses: actions/setup-java@v5
         with: