diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 155b6cd..dd4eb06 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v7
-      - uses: actions/setup-java@v5.6.0
+      - uses: actions/setup-java@dd06d9cba3e5552c54d9f8ea23572deb30010f7c
         with:
           distribution: 'zulu'
           java-version: '21'