diff --git a/build.sbt b/build.sbt
index 32a3640..160cd4b 100755
--- a/build.sbt
+++ b/build.sbt
@@ -3,7 +3,7 @@ description := "sbt-web plugin for running stylus"
 
 libraryDependencies ++= Seq(
   "com.typesafe" % "jstranspiler" % "1.0.1",
-  "org.webjars" % "mkdirp" % "0.3.5",
+  "org.webjars" % "mkdirp" % "0.5.0",
   "org.webjars" % "stylus" % "0.51.1",
   "org.webjars" % "stylus-nib" % "1.1.0",
   "org.webjars" % "when-node" % "3.5.2-3"