diff --git a/build.sbt b/build.sbt
index 4a57036..5b84d80 100644
--- a/build.sbt
+++ b/build.sbt
@@ -2,7 +2,7 @@ organization := "io.github.gitbucket"
 name := "gitbucket-gist-plugin"
 version := "4.22.0"
 scalaVersion := "2.13.12"
-gitbucketVersion := "4.39.0"
+gitbucketVersion := "4.40.0"
 
 scalacOptions := Seq("-deprecation", "-feature", "-language:postfixOps")
 Compile / javacOptions ++= Seq("-target", "11", "-source", "11")
diff --git a/src/main/scala/gitbucket/gist/controller/GistController.scala b/src/main/scala/gitbucket/gist/controller/GistController.scala
index 10b2112..988ef1c 100644
--- a/src/main/scala/gitbucket/gist/controller/GistController.scala
+++ b/src/main/scala/gitbucket/gist/controller/GistController.scala
@@ -114,7 +114,7 @@ trait GistControllerBase extends ControllerBase {
         val repoName = StringUtil.md5(userName + " " + datetime(new java.util.Date()))
         val gitdir   = new File(GistRepoDir, userName + "/" + repoName)
         gitdir.mkdirs()
-        JGitUtil.initRepository(gitdir)
+        JGitUtil.initRepository(gitdir, "master")
 
         // Insert record
         registerGist(