diff --git a/LMDB_0.9.25.tar.gz b/LMDB_0.9.25.tar.gz
deleted file mode 100644
index f9e8c34..0000000
Binary files a/LMDB_0.9.25.tar.gz and /dev/null differ
diff --git a/LMDB_0.9.27.tar.gz b/LMDB_0.9.27.tar.gz
new file mode 100644
index 0000000..5e884e8
Binary files /dev/null and b/LMDB_0.9.27.tar.gz differ
diff --git a/lmdb.spec b/lmdb.spec
index d4cf849..30d7f1c 100644
--- a/lmdb.spec
+++ b/lmdb.spec
@@ -1,6 +1,6 @@
-%global commit_hash 6a1af27ff252f5a1b350fbb52b26275fee8ef605
+%global commit_hash 3c9aa9df8497ad977e0f91347f0626f5d53c9ab7
 Name:           lmdb
-Version:        0.9.25
+Version:        0.9.27
 Release:        1
 Summary:        An extraordinarily fast, memory-efficient database
 License:        OpenLDAP
@@ -89,6 +89,9 @@ popd
 %license libraries/lib%{name}/LICENSE
 
 %changelog
+* Tue Jan 26 2021 liudabo<liudabo1@huawei.com> - 0.9.27-1
+- upgrade version to 0.9.27
+
 * Thu Jul 28 2020 xinghe<xinghe1@huawei.com> - 0.9.25-1
 - update version to 0.9.25