Index: trunk/.github/workflows/ant.yml
===================================================================
--- trunk/.github/workflows/ant.yml	(revision 17539)
+++ trunk/.github/workflows/ant.yml	(revision 17566)
@@ -69,5 +69,5 @@
       matrix:
         # test against latest update of each major Java version, as well as specific updates of LTS versions:
-        java: [8, 11, 15, 16-ea, 17-ea]
+        java: [8, 11, 16, 17-ea]
         os: [ubuntu-latest, macos-latest, windows-latest]
         headless: ["true", "false"]