diff --git a/src/main/scala/util/JGitUtil.scala b/src/main/scala/util/JGitUtil.scala
index d54f4fe..9286362 100644
--- a/src/main/scala/util/JGitUtil.scala
+++ b/src/main/scala/util/JGitUtil.scala
@@ -485,6 +485,7 @@
 
     val newHeadId = inserter.insert(newCommit)
     inserter.flush()
+    inserter.release()
 
     val refUpdate = git.getRepository.updateRef(Constants.HEAD)
     refUpdate.setNewObjectId(newHeadId)