diff --git a/tools/jdk/BUILD b/tools/jdk/BUILD
index 9029782..5c8baac 100644
--- a/tools/jdk/BUILD
+++ b/tools/jdk/BUILD
@@ -181,6 +181,8 @@
     ],
     misc = [
         "-XDskipDuplicateBridges=true",
+        "-g",
+        "-parameters",
     ],
     singlejar = ["@bazel_tools//tools/jdk:singlejar"],
     source_version = "8",