diff --git a/.github/workflows/ci-5.x.yml b/.github/workflows/ci-5.x.yml
index e00ed0cb..aa471954 100644
--- a/.github/workflows/ci-5.x.yml
+++ b/.github/workflows/ci-5.x.yml
@@ -14,7 +14,7 @@ jobs:
       matrix:
         include:
           - os: ubuntu-latest
-            jdk: 8
+            jdk: 11
           - os: ubuntu-latest
             jdk: 17
     uses: ./.github/workflows/ci.yml
@@ -29,5 +29,5 @@ jobs:
     uses: ./.github/workflows/deploy.yml
     with:
       branch: ${{ github.event.pull_request.head.sha || github.ref_name }}
-      jdk: 8
+      jdk: 11
     secrets: inherit