bump version
diff --git a/src/core/nginx.h b/src/core/nginx.h
index 9d9af6e..460fd8d 100644
--- a/src/core/nginx.h
+++ b/src/core/nginx.h
@@ -8,8 +8,8 @@
 #define _NGINX_H_INCLUDED_
 
 
-#define nginx_version         8020
-#define NGINX_VERSION      "0.8.20"
+#define nginx_version         8021
+#define NGINX_VERSION      "0.8.21"
 #define NGINX_VER          "nginx/" NGINX_VERSION
 
 #define NGINX_VAR          "NGINX"