diff --git a/project/build.scala b/project/build.scala
index 22bf343..bd1bb03 100644
--- a/project/build.scala
+++ b/project/build.scala
@@ -1,14 +1,14 @@
-import sbt._
-import Keys._
-import play.twirl.sbt.SbtTwirl
 import com.earldouglas.xwp.JettyPlugin
-import sbtassembly._
+import play.twirl.sbt.SbtTwirl
+import sbt.Keys._
+import sbt._
 import sbtassembly.AssemblyKeys._
+import sbtassembly._
 
 object MyBuild extends Build {
   val Organization = "gitbucket"
   val Name = "gitbucket"
-  val Version = "3.9.0"
+  val Version = "3.9.1"
   val ScalaVersion = "2.11.6"
   val ScalatraVersion = "2.3.1"
 
@@ -53,7 +53,7 @@
       "org.apache.commons" % "commons-compress" % "1.9",
       "org.apache.commons" % "commons-email" % "1.3.3",
       "org.apache.httpcomponents" % "httpclient" % "4.3.6",
-      "org.apache.sshd" % "apache-sshd" % "0.11.0",
+      "org.apache.sshd" % "apache-sshd" % "1.0.0",
       "org.apache.tika" % "tika-core" % "1.10",
       "com.typesafe.slick" %% "slick" % "2.1.0",
       "com.novell.ldap" % "jldap" % "2009-10-07",
diff --git a/src/main/scala/gitbucket/core/ssh/PublicKeyAuthenticator.scala b/src/main/scala/gitbucket/core/ssh/PublicKeyAuthenticator.scala
index daf5c30..7d9eb23 100644
--- a/src/main/scala/gitbucket/core/ssh/PublicKeyAuthenticator.scala
+++ b/src/main/scala/gitbucket/core/ssh/PublicKeyAuthenticator.scala
@@ -1,10 +1,11 @@
 package gitbucket.core.ssh
 
+import java.security.PublicKey
+
 import gitbucket.core.service.SshKeyService
 import gitbucket.core.servlet.Database
-import org.apache.sshd.server.PublickeyAuthenticator
+import org.apache.sshd.server.auth.pubkey.PublickeyAuthenticator
 import org.apache.sshd.server.session.ServerSession
-import java.security.PublicKey
 
 class PublicKeyAuthenticator extends PublickeyAuthenticator with SshKeyService {
 
diff --git a/src/main/scala/gitbucket/core/ssh/SshServerListener.scala b/src/main/scala/gitbucket/core/ssh/SshServerListener.scala
index 27f46ac..f79ae93 100644
--- a/src/main/scala/gitbucket/core/ssh/SshServerListener.scala
+++ b/src/main/scala/gitbucket/core/ssh/SshServerListener.scala
@@ -1,20 +1,25 @@
 package gitbucket.core.ssh
 
+import java.io.File
+import java.util.concurrent.atomic.AtomicBoolean
 import javax.servlet.{ServletContextEvent, ServletContextListener}
+
 import gitbucket.core.service.SystemSettingsService
 import gitbucket.core.util.Directory
 import org.apache.sshd.server.keyprovider.SimpleGeneratorHostKeyProvider
 import org.slf4j.LoggerFactory
-import java.util.concurrent.atomic.AtomicBoolean
 
 object SshServer {
   private val logger = LoggerFactory.getLogger(SshServer.getClass)
-  private val server = org.apache.sshd.SshServer.setUpDefaultServer()
+  private val server = org.apache.sshd.server.SshServer.setUpDefaultServer()
   private val active = new AtomicBoolean(false)
 
   private def configure(port: Int, baseUrl: String) = {
     server.setPort(port)
-    server.setKeyPairProvider(new SimpleGeneratorHostKeyProvider(s"${Directory.GitBucketHome}/gitbucket.ser", "RSA"))
+    val provider = new SimpleGeneratorHostKeyProvider(new File(s"${Directory.GitBucketHome}/gitbucket.ser"))
+    provider.setAlgorithm("RSA")
+    provider.setOverwriteAllowed(false)
+    server.setKeyPairProvider(provider)
     server.setPublickeyAuthenticator(new PublicKeyAuthenticator)
     server.setCommandFactory(new GitCommandFactory(baseUrl))
     server.setShellFactory(new NoShell)
diff --git a/src/main/scala/gitbucket/core/ssh/SshUtil.scala b/src/main/scala/gitbucket/core/ssh/SshUtil.scala
index 512332c..0663ca8 100644
--- a/src/main/scala/gitbucket/core/ssh/SshUtil.scala
+++ b/src/main/scala/gitbucket/core/ssh/SshUtil.scala
@@ -1,10 +1,13 @@
 package gitbucket.core.ssh
 
 import java.security.PublicKey
-import org.slf4j.LoggerFactory
+
 import org.apache.commons.codec.binary.Base64
+import org.apache.sshd.common.config.keys.KeyUtils
+import org.apache.sshd.common.util.buffer.ByteArrayBuffer
 import org.eclipse.jgit.lib.Constants
-import org.apache.sshd.common.util.{KeyUtils, Buffer}
+import org.slf4j.LoggerFactory
+
 
 object SshUtil {
 
@@ -20,7 +23,7 @@
     try {
       val encodedKey = parts(1)
       val decode = Base64.decodeBase64(Constants.encodeASCII(encodedKey))
-      Some(new Buffer(decode).getRawPublicKey)
+      Some(new ByteArrayBuffer(decode).getRawPublicKey)
     } catch {
       case e: Throwable =>
         logger.debug(e.getMessage, e)