diff --git a/src/spn_module.h b/src/spn_module.h
index 4b5a67e..22f9a03 100644
--- a/src/spn_module.h
+++ b/src/spn_module.h
@@ -1,7 +1,7 @@
 #ifndef __LUA_SPN_H__
 #define __LUA_SPN_H__
 
-#define LUA_SPN_VERSION "0.1"
+#define LUA_SPN_VERSION "0.4"
 
 #ifndef LUA_SPN_API
 #define LUA_SPN_API __attribute__((visibility("default")))
@@ -16,4 +16,4 @@ LUA_SPN_API int luaopen__spn(lua_State *L);
 
 } // extern "C"
 
-#endif
\ No newline at end of file
+#endif