diff --git a/build.sbt b/build.sbt
index f37c815..9ab9fd7 100644
--- a/build.sbt
+++ b/build.sbt
@@ -4,8 +4,8 @@
 val Organization = "io.github.gitbucket"
 val Name = "gitbucket"
 val GitBucketVersion = "4.27.0"
-val ScalatraVersion = "2.6.1"
-val JettyVersion = "9.4.7.v20170914"
+val ScalatraVersion = "2.6.3"
+val JettyVersion = "9.4.11.v20180605"
 
 lazy val root = (project in file("."))
   .enablePlugins(SbtTwirl, ScalatraPlugin)