diff --git a/include/nuster/nuster.h b/include/nuster/nuster.h
index 2f5c1c1c8..50898b6ef 100644
--- a/include/nuster/nuster.h
+++ b/include/nuster/nuster.h
@@ -22,7 +22,7 @@
 #ifndef _NUSTER_H
 #define _NUSTER_H
 
-#define NUSTER_VERSION    "5.2.0.22"
+#define NUSTER_VERSION    "5.2.1.22"
 #define NUSTER_COPYRIGHT  "2017-present, Jiang Wenyuan, <koubunen AT gmail DOT com >"
 
 #include <haproxy/applet-t.h>