diff --git a/common/fdfs_global.c b/common/fdfs_global.c
index 8353f79..a846f9f 100644
--- a/common/fdfs_global.c
+++ b/common/fdfs_global.c
@@ -23,7 +23,7 @@
 int g_fdfs_connect_timeout = DEFAULT_CONNECT_TIMEOUT;
 int g_fdfs_network_timeout = DEFAULT_NETWORK_TIMEOUT;
 char g_fdfs_base_path[MAX_PATH_SIZE] = {'/', 't', 'm', 'p', '\0'};
-Version g_fdfs_version = {5, 10};
+Version g_fdfs_version = {5, 11};
 bool g_use_connection_pool = false;
 ConnectionPool g_connection_pool;
 int g_connection_pool_max_idle_time = 3600;
diff --git a/fastdfs.spec b/fastdfs.spec
index 64ac486..e79f3ae 100644
--- a/fastdfs.spec
+++ b/fastdfs.spec
@@ -3,7 +3,7 @@
 %define FDFSClient libfdfsclient
 %define FDFSClientDevel libfdfsclient-devel
 %define FDFSTool   fastdfs-tool
-%define FDFSVersion 5.0.10
+%define FDFSVersion 5.0.11
 %define CommitVersion %(echo $COMMIT_VERSION)
 
 Name: %{FastDFS}