diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 383c9d4..ab5f3ae 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -15,7 +15,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
       - name: Set up JDK 17
         uses: actions/setup-java@v3
         with: