diff --git a/lang/lua-rs232/Makefile b/lang/lua-rs232/Makefile
index 570bea137..d5fb95331 100644
--- a/lang/lua-rs232/Makefile
+++ b/lang/lua-rs232/Makefile
@@ -8,13 +8,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=lua-rs232
+PKG_SOURCE_DATE:=2019-11-20
+PKG_SOURCE_VERSION:=c106c94d1a5a84e8582c936528303528608776c2
 PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://github.com/srdgame/librs232
-PKG_SOURCE_DATE:=2019-09-17
-PKG_SOURCE_VERSION:=1c29a279484ee4850611b76a6571566e0ec133bb
-PKG_MIRROR_HASH:=c9063a729935135278f17dd98ca31757acfd4405bdf9f6e49d77ed0df8ddc823
+PKG_MIRROR_HASH:=6fcabfd1501b3a7719229334ce73f1cc74f5ac5795b8faf6d65eb2ae6b14f9a5
 
 PKG_MAINTAINER:=Dirk Chang <dirk@kooiot.com>
 PKG_LICENSE:=MIT
@@ -48,8 +48,8 @@ define Build/InstallDev
 	$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/include/librs232/rs232* $(1)/usr/include/librs232
 	$(INSTALL_DIR) $(1)/usr/lib
 	$(CP) $(PKG_INSTALL_DIR)/usr/lib/librs232* $(1)/usr/lib/
-	$(INSTALL_DIR) $(1)/usr/lib/lua/5.1
-	$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/lib/lua/5.1/luars232* $(1)/usr/lib/lua/5.1
+	$(INSTALL_DIR) $(1)/usr/lib/lua
+	$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/lib/lua/5.1/luars232* $(1)/usr/lib/lua
 	$(INSTALL_DIR) $(1)/usr/lib/pkgconfig
 	$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/lib/pkgconfig/librs232.pc $(1)/usr/lib/pkgconfig
 endef
@@ -57,8 +57,8 @@ endef
 define Package/lua-rs232/install
 	$(INSTALL_DIR) $(1)/usr/lib/
 	$(CP) $(PKG_INSTALL_DIR)/usr/lib/librs232.so* $(1)/usr/lib/
-	$(INSTALL_DIR) $(1)/usr/lib/lua/5.1
-	$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/lib/lua/5.1/luars232* $(1)/usr/lib/lua/5.1
+	$(INSTALL_DIR) $(1)/usr/lib/lua
+	$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/lib/lua/5.1/luars232* $(1)/usr/lib/lua
 endef
 
 $(eval $(call BuildPackage,lua-rs232))
diff --git a/lang/lua-rs232/patches/100-remove-build-timestamps.patch b/lang/lua-rs232/patches/100-remove-build-timestamps.patch
index b1e6544ae..694c4720d 100644
--- a/lang/lua-rs232/patches/100-remove-build-timestamps.patch
+++ b/lang/lua-rs232/patches/100-remove-build-timestamps.patch
@@ -8,7 +8,7 @@
  #define MODULE_NAMESPACE "luars232"
  #define MODULE_VERSION "1.0.3"
  #define MODULE_BUILD "$Id: luars232.c 15 2011-02-23 09:02:20Z sp $"
-@@ -552,9 +551,6 @@
+@@ -553,9 +552,6 @@
  	lua_pushstring(L, MODULE_BUILD);
  	lua_setfield(L, -2, "_BUILD");
  
diff --git a/lang/lua-rs232/patches/110-add-static.patch b/lang/lua-rs232/patches/110-add-static.patch
deleted file mode 100644
index 83684f3e8..000000000
--- a/lang/lua-rs232/patches/110-add-static.patch
+++ /dev/null
@@ -1,31 +0,0 @@
---- a/bindings/lua/luars232.c
-+++ b/bindings/lua/luars232.c
-@@ -529,7 +529,7 @@ static void create_metatables(lua_State *L, const char *name, const luaL_reg *me
- #endif
- }
- 
--RS232_LIB int luaopen_luars232(lua_State *L)
-+RS232_LIB static int luaopen_luars232(lua_State *L)
- {
- 	int i;
- 	create_metatables(L, MODULE_NAMESPACE, port_methods);
-@@ -560,6 +560,7 @@ RS232_LIB int luaopen_luars232(lua_State *L)
- 	return 1;
- }
- 
--RS232_LIB int luaopen_rs232_core(lua_State *L){
-+__attribute__((unused))
-+RS232_LIB static int luaopen_rs232_core(lua_State *L){
- 	return luaopen_luars232(L);
- }
---- a/include/librs232/rs232.h
-+++ b/include/librs232/rs232.h
-@@ -134,7 +134,7 @@ enum rs232_flow_e {
- 
- enum rs232_status_e {
- 	RS232_PORT_CLOSED,
--	RS232_PORT_OPEN,
-+	RS232_PORT_OPEN
- };
- 
- enum rs232_dtr_e {