diff --git a/buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts b/buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts
index 5de0fe9f..cde2d212 100644
--- a/buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts
+++ b/buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts
@@ -79,6 +79,8 @@ tasks {
       // TODO (trask) need to disable html validation until next semconv release
       //  see https://github.com/open-telemetry/semantic-conventions/pull/1664
       addBooleanOption("Xdoclint:all,-missing,-html", true)
+      // non-standard option to fail on warnings, see https://bugs.openjdk.java.net/browse/JDK-8200363
+      addStringOption("Xwerror", "-quiet")
     }
   }