diff --git a/src/main/scala/gitbucket/core/GitBucketCoreModule.scala b/src/main/scala/gitbucket/core/GitBucketCoreModule.scala
index c77de16..22042d0 100644
--- a/src/main/scala/gitbucket/core/GitBucketCoreModule.scala
+++ b/src/main/scala/gitbucket/core/GitBucketCoreModule.scala
@@ -84,7 +84,7 @@
       new Version(
         "4.34.0",
         new Migration() {
-          override def migrate(moduleId: String, version: String, context: util.Map[String, AnyRef]): Unit = {
+          override def migrate(moduleId: String, version: String, context: java.util.Map[String, AnyRef]): Unit = {
             implicit val formats: Formats = Serialization.formats(NoTypeHints)
             import JDBCUtil._