diff --git a/project/Doc.scala b/project/Doc.scala
index 651ebcdb0c4..a2528d2d666 100644
--- a/project/Doc.scala
+++ b/project/Doc.scala
@@ -222,7 +222,7 @@ object BootstrapGenjavadoc extends AutoPlugin {
 
   override lazy val projectSettings = UnidocRoot.CliOptions.genjavadocEnabled
     .ifTrue(Seq(
-      unidocGenjavadocVersion := "0.18",
+      unidocGenjavadocVersion := "0.19",
       Compile / scalacOptions ++= Seq(
         "-P:genjavadoc:fabricateParams=false",
         "-P:genjavadoc:suppressSynthetic=false",