diff --git a/lua.h b/lua.h
index f3ea590d..935a1891 100644
--- a/lua.h
+++ b/lua.h
@@ -18,10 +18,10 @@
 
 #define LUA_VERSION_MAJOR	"5"
 #define LUA_VERSION_MINOR	"4"
-#define LUA_VERSION_RELEASE	"8"
+#define LUA_VERSION_RELEASE	"9"
 
 #define LUA_VERSION_NUM			504
-#define LUA_VERSION_RELEASE_NUM		(LUA_VERSION_NUM * 100 + 8)
+#define LUA_VERSION_RELEASE_NUM		(LUA_VERSION_NUM * 100 + 9)
 
 #define LUA_VERSION	"Lua " LUA_VERSION_MAJOR "." LUA_VERSION_MINOR
 #define LUA_RELEASE	LUA_VERSION "." LUA_VERSION_RELEASE