diff --git a/src/main/scala/gitbucket/core/servlet/GitAuthenticationFilter.scala b/src/main/scala/gitbucket/core/servlet/GitAuthenticationFilter.scala
index f542230..71d8144 100644
--- a/src/main/scala/gitbucket/core/servlet/GitAuthenticationFilter.scala
+++ b/src/main/scala/gitbucket/core/servlet/GitAuthenticationFilter.scala
@@ -106,6 +106,7 @@
                   if (isUpdating) {
                     if (hasDeveloperRole(repository.owner, repository.name, Some(account))) {
                       request.setAttribute(Keys.Request.UserName, account.userName)
+                      request.setAttribute(Keys.Request.RepositoryLockKey, s"${repository.owner}/${repository.name}")
                       true
                     } else false
                   } else if (repository.repository.isPrivate) {
diff --git a/src/main/scala/gitbucket/core/servlet/GitRepositoryServlet.scala b/src/main/scala/gitbucket/core/servlet/GitRepositoryServlet.scala
index c9595c6..2c9e43f 100644
--- a/src/main/scala/gitbucket/core/servlet/GitRepositoryServlet.scala
+++ b/src/main/scala/gitbucket/core/servlet/GitRepositoryServlet.scala
@@ -22,8 +22,8 @@
 import org.slf4j.LoggerFactory
 import javax.servlet.ServletConfig
 import javax.servlet.http.{HttpServletRequest, HttpServletResponse}
-
 import org.eclipse.jgit.diff.DiffEntry.ChangeType
+import org.eclipse.jgit.internal.storage.file.FileRepository
 import org.json4s.jackson.Serialization._
 
 /**
@@ -41,7 +41,7 @@
     setReceivePackFactory(new GitBucketReceivePackFactory())
 
     val root: File = new File(Directory.RepositoryHome)
-    setRepositoryResolver(new GitBucketRepositoryResolver(new FileResolver[HttpServletRequest](root, true)))
+    setRepositoryResolver(new GitBucketRepositoryResolver)
 
     super.init(config)
   }
@@ -55,11 +55,24 @@
       res.sendRedirect(baseUrl(req) + "/" + paths.dropRight(1).last + "/" + paths.last)
 
     } else if (req.getMethod.toUpperCase == "POST" && req.getRequestURI.endsWith("/info/lfs/objects/batch")) {
-      serviceGitLfsBatchAPI(req, res)
-
+      withLockRepository(req) {
+        serviceGitLfsBatchAPI(req, res)
+      }
     } else {
       // response for git client
-      super.service(req, res)
+      withLockRepository(req) {
+        super.service(req, res)
+      }
+    }
+  }
+
+  private def withLockRepository[T](req: HttpServletRequest)(f: => T): T = {
+    if (req.hasAttribute(Keys.Request.RepositoryLockKey)) {
+      LockUtil.lock(req.getAttribute(Keys.Request.RepositoryLockKey).asInstanceOf[String]) {
+        f
+      }
+    } else {
+      f
     }
   }
 
@@ -138,10 +151,7 @@
   }
 }
 
-class GitBucketRepositoryResolver(parent: FileResolver[HttpServletRequest])
-    extends RepositoryResolver[HttpServletRequest] {
-
-  private val resolver = new FileResolver[HttpServletRequest](new File(Directory.GitBucketHome), true)
+class GitBucketRepositoryResolver extends RepositoryResolver[HttpServletRequest] {
 
   override def open(req: HttpServletRequest, name: String): Repository = {
     // Rewrite repository path if routing is marched
@@ -150,10 +160,10 @@
       .map {
         case GitRepositoryRouting(urlPattern, localPath, _) =>
           val path = urlPattern.r.replaceFirstIn(name, localPath)
-          resolver.open(req, path)
+          new FileRepository(new File(Directory.GitBucketHome, path))
       }
       .getOrElse {
-        parent.open(req, name)
+        new FileRepository(new File(Directory.RepositoryHome, name))
       }
   }
 
diff --git a/src/main/scala/gitbucket/core/util/Keys.scala b/src/main/scala/gitbucket/core/util/Keys.scala
index cf3135c..cf24913 100644
--- a/src/main/scala/gitbucket/core/util/Keys.scala
+++ b/src/main/scala/gitbucket/core/util/Keys.scala
@@ -87,6 +87,11 @@
     val UserName = "USER_NAME"
 
     /**
+     * Request key for the Lock key which is used during Git repository write access.
+     */
+    val RepositoryLockKey = "REPOSITORY_LOCK_KEY"
+
+    /**
      * Generate request key for the request cache.
      */
     def Cache(key: String) = s"cache.${key}"