diff --git a/project/build.scala b/project/build.scala
index 1855ba2..368bc5b 100644
--- a/project/build.scala
+++ b/project/build.scala
@@ -42,8 +42,8 @@
     ),
     scalacOptions := Seq("-deprecation", "-language:postfixOps"),
     libraryDependencies ++= Seq(
-      "org.eclipse.jgit" % "org.eclipse.jgit.http.server" % "3.4.2.201412180340-r",
-      "org.eclipse.jgit" % "org.eclipse.jgit.archive" % "3.4.2.201412180340-r",
+      "org.eclipse.jgit" % "org.eclipse.jgit.http.server" % "4.1.1.201511131810-r",
+      "org.eclipse.jgit" % "org.eclipse.jgit.archive" % "4.1.1.201511131810-r",
       "org.scalatra" %% "scalatra" % ScalatraVersion,
       "org.scalatra" %% "scalatra-specs2" % ScalatraVersion % "test",
       "org.scalatra" %% "scalatra-json" % ScalatraVersion,
@@ -51,11 +51,11 @@
       "io.github.gitbucket" %% "scalatra-forms" % "1.0.0",
       "commons-io" % "commons-io" % "2.4",
       "io.github.gitbucket" % "markedj" % "1.0.6-SNAPSHOT",
-      "org.apache.commons" % "commons-compress" % "1.9",
-      "org.apache.commons" % "commons-email" % "1.3.3",
-      "org.apache.httpcomponents" % "httpclient" % "4.3.6",
+      "org.apache.commons" % "commons-compress" % "1.10",
+      "org.apache.commons" % "commons-email" % "1.4",
+      "org.apache.httpcomponents" % "httpclient" % "4.5.1",
       "org.apache.sshd" % "apache-sshd" % "1.0.0",
-      "org.apache.tika" % "tika-core" % "1.10",
+      "org.apache.tika" % "tika-core" % "1.11",
       "com.typesafe.slick" %% "slick" % "2.1.0",
       "com.novell.ldap" % "jldap" % "2009-10-07",
       "com.h2database" % "h2" % "1.4.190",
@@ -64,9 +64,9 @@
       "javax.servlet" % "javax.servlet-api" % "3.1.0" % "provided",
       "junit" % "junit" % "4.12" % "test",
       "com.mchange" % "c3p0" % "0.9.5.2",
-      "com.typesafe" % "config" % "1.2.1",
-      "com.typesafe.akka" %% "akka-actor" % "2.3.10",
-      "com.enragedginger" %% "akka-quartz-scheduler" % "1.3.0-akka-2.3.x"  exclude("c3p0","c3p0")
+      "com.typesafe" % "config" % "1.3.0",
+      "com.typesafe.akka" %% "akka-actor" % "2.3.14",
+      "com.enragedginger" %% "akka-quartz-scheduler" % "1.4.0-akka-2.3.x"  exclude("c3p0","c3p0")
     ),
     play.twirl.sbt.Import.TwirlKeys.templateImports += "gitbucket.core._",
     javacOptions in compile ++= Seq("-target", "7", "-source", "7"),