diff --git a/README.md b/README.md
index 77fd170..41788c3 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,7 @@ Version
 
 Plugin version|GitBucket version
 :-------------|:----------------
+7.0.x         |4.32+
 6.1.x         |4.26+
 6.0.x         |4.23+
 5.0.x         |4.21+
@@ -21,7 +22,7 @@ Plugin version|GitBucket version
 Download
 ---
 
-You can download the JAR file from the [plugin registry](https://plugins.gitbucket-community.org/releases/gitbucket-explorer-plugin).
+You can download the JAR file from the [Release](https://github.com/tomoki1207/gitbucket-explorer-plugin/releases) page.
 
 Installation
 ---
@@ -38,6 +39,9 @@ See `package.json` for more details.
 
 Releases
 ---
+### 7.0.0 - 7 Aug 2019
+- Bump to GitBucket 4.32.0 and Scala 2.13.0
+
 ### 6.1.0 - 1 Jul 2018
 - Bump sbt-gitbucket-plugin to 1.3.0 to be hosted by the [plugin registry](https://plugins.gitbucket-community.org/)
 
diff --git a/build.sbt b/build.sbt
index a9a87de..ec09eaa 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,8 +1,8 @@
 organization := "io.github.gitbucket"
 name := "gitbucket-explorer-plugin"
-version := "6.1.0"
-scalaVersion := "2.12.0"
-gitbucketVersion := "4.26.0"
+version := "7.0.0"
+scalaVersion := "2.13.0"
+gitbucketVersion := "4.32.0"
 
 scalacOptions := Seq("-deprecation", "-feature", "-language:postfixOps")
 javacOptions in compile ++= Seq("-target", "8", "-source", "8")
diff --git a/package.json b/package.json
index a0b633e..d96eba8 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "test": "echo \"Error: no test specified\" && exit 1",
     "build": "browserify -t babelify ./scripts/index.js -o ./src/main/resources/explorer/assets/bundle.js && sbt assembly",
     "watch": "watchify -t babelify ./scripts/index.js -o ./src/main/resources/explorer/assets/bundle.js",
-    "release": "set NODE_ENV=production && browserify ./scripts/index.js -t babelify -t envify | uglifyjs -c warnings=false > ./src/main/resources/explorer/assets/bundle.js && sbt clean assembly"
+    "release": "set NODE_ENV=production && browserify ./scripts/index.js -t babelify -t envify | uglifyjs > ./src/main/resources/explorer/assets/bundle.js && sbt clean assembly"
   },
   "author": "tomoki1207",
   "license": "MIT",
diff --git a/project/build.properties b/project/build.properties
index 5a1b382..dca663d 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version = 1.1.6
+sbt.version = 1.2.8
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 2ef067b..fed5395 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,2 +1,2 @@
 logLevel := Level.Warn
-addSbtPlugin("io.github.gitbucket" % "sbt-gitbucket-plugin" % "1.3.0")
+addSbtPlugin("io.github.gitbucket" % "sbt-gitbucket-plugin" % "1.5.0")
diff --git a/src/main/scala/Plugin.scala b/src/main/scala/Plugin.scala
index 5d0c4b2..dd7479d 100644
--- a/src/main/scala/Plugin.scala
+++ b/src/main/scala/Plugin.scala
@@ -22,7 +22,8 @@ class Plugin extends gitbucket.core.plugin.Plugin {
     new Version("4.0.0"),
     new Version("5.0.0"),
     new Version("6.0.0"),
-    new Version("6.1.0")
+    new Version("6.1.0"),
+    new Version("7.0.0")
   )
 
   override val controllers = Seq(
diff --git a/src/main/scala/io/github/gitbucket/explorer/controllers/ExplorerController.scala b/src/main/scala/io/github/gitbucket/explorer/controllers/ExplorerController.scala
index d4b0068..2cd8d55 100644
--- a/src/main/scala/io/github/gitbucket/explorer/controllers/ExplorerController.scala
+++ b/src/main/scala/io/github/gitbucket/explorer/controllers/ExplorerController.scala
@@ -9,6 +9,7 @@ import gitbucket.core.util.SyntaxSugars._
 import gitbucket.core.util.Directory._
 import org.eclipse.jgit.api.Git
 import gitbucket.core.view.helpers
+import scala.util.Using
 
 /**
   * Created by t_maruyama on 2017/01/31.
@@ -32,7 +33,7 @@ trait ExplorerControllerBase extends ControllerBase {
   })
 
   private def explore(repository: RepositoryService.RepositoryInfo, rev: String, path: String): Option[List[FileNode]] = {
-    using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
+    Using.resource(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
       if(!JGitUtil.isEmpty(git)) {
         JGitUtil.getDefaultBranch(git, repository, rev).map {
           case (objectId, revision) => defining(JGitUtil.getRevCommitFromId(git, objectId)) { _ =>