diff --git a/.github/workflows/dockerimage.yml b/.github/workflows/dockerimage.yml
index 9381e2a..3a0db39 100644
--- a/.github/workflows/dockerimage.yml
+++ b/.github/workflows/dockerimage.yml
@@ -45,7 +45,7 @@ jobs:
     - name: JDK 15
       uses: elgohr/Publish-Docker-Github-Action@cade1bc
       env:
-        ADDITIONAL_JDK_VERSION: 15.ea.14-open
+        ADDITIONAL_JDK_VERSION: 15.ea.15-open
       with:
         name: junitteam/build:15
         username: ${{ secrets.DOCKER_USERNAME }}