diff --git a/version.go b/version.go
index 3cec7e613..b5123442b 100644
--- a/version.go
+++ b/version.go
@@ -1,5 +1,5 @@
 package gf
 
-const VERSION  = "v1.5.20"
+const VERSION  = "v1.5.21"
 const AUTHORS  = "john<john@goframe.org>"