diff --git a/sbt-test/UnmooredDocComment/test-1/project/plugins.sbt b/sbt-test/UnmooredDocComment/test-1/project/plugins.sbt
index a726ea7..dfb0055 100644
--- a/sbt-test/UnmooredDocComment/test-1/project/plugins.sbt
+++ b/sbt-test/UnmooredDocComment/test-1/project/plugins.sbt
@@ -1,2 +1,2 @@
 addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % sys.props("scalafix.version"))
-addSbtPlugin("com.github.xuwei-k" % "warning-diff-scalafix-plugin" % "0.3.0")
+addSbtPlugin("com.github.xuwei-k" % "warning-diff-scalafix-plugin" % "0.4.0")