diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3d905c9..37a2fb8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ jobs:
       matrix:
         jdk: [ 11, 17, 21 ]
         include:
-          - jdk: 11
+          - jdk: 21
             analysis: true
     steps:
       - name: Checkout