diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index df5dec44..679f5ec9 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [11, 17]
+        java: [17]
       fail-fast: false
     steps:
       - name: Check  out Git repository