diff --git a/polymer/eduke32/jit/bcsave.lua b/polymer/eduke32/jit/bcsave.lua
index f55bda970..36941d235 100644
--- a/polymer/eduke32/jit/bcsave.lua
+++ b/polymer/eduke32/jit/bcsave.lua
@@ -11,7 +11,7 @@
 ------------------------------------------------------------------------------
 
 local jit = require("jit")
-assert(jit.version_num == 20003, "LuaJIT core/library version mismatch")
+assert(jit.version_num == 20004, "LuaJIT core/library version mismatch")
 local bit = require("bit")
 
 -- Symbol name prefix for LuaJIT bytecode.
diff --git a/polymer/eduke32/platform/Windows/include/luajit-2.0/luaconf.h b/polymer/eduke32/platform/Windows/include/luajit-2.0/luaconf.h
index 8b8477f01..0dc1936e1 100644
--- a/polymer/eduke32/platform/Windows/include/luajit-2.0/luaconf.h
+++ b/polymer/eduke32/platform/Windows/include/luajit-2.0/luaconf.h
@@ -1,6 +1,6 @@
 /*
 ** Configuration header.
-** Copyright (C) 2005-2014 Mike Pall. See Copyright Notice in luajit.h
+** Copyright (C) 2005-2016 Mike Pall. See Copyright Notice in luajit.h
 */
 
 #ifndef luaconf_h
@@ -37,7 +37,7 @@
 #endif
 #define LUA_LROOT	"/usr/local"
 #define LUA_LUADIR	"/lua/5.1/"
-#define LUA_LJDIR	"/luajit-2.0.3/"
+#define LUA_LJDIR	"/luajit-2.0.4/"
 
 #ifdef LUA_ROOT
 #define LUA_JROOT	LUA_ROOT
diff --git a/polymer/eduke32/platform/Windows/include/luajit-2.0/luajit.h b/polymer/eduke32/platform/Windows/include/luajit-2.0/luajit.h
index be721cf4b..e7adbab61 100644
--- a/polymer/eduke32/platform/Windows/include/luajit-2.0/luajit.h
+++ b/polymer/eduke32/platform/Windows/include/luajit-2.0/luajit.h
@@ -1,7 +1,7 @@
 /*
 ** LuaJIT -- a Just-In-Time Compiler for Lua. http://luajit.org/
 **
-** Copyright (C) 2005-2014 Mike Pall. All rights reserved.
+** Copyright (C) 2005-2016 Mike Pall. All rights reserved.
 **
 ** Permission is hereby granted, free of charge, to any person obtaining
 ** a copy of this software and associated documentation files (the
@@ -30,10 +30,10 @@
 
 #include "lua.h"
 
-#define LUAJIT_VERSION		"LuaJIT 2.0.3"
-#define LUAJIT_VERSION_NUM	20003  /* Version 2.0.3 = 02.00.03. */
-#define LUAJIT_VERSION_SYM	luaJIT_version_2_0_3
-#define LUAJIT_COPYRIGHT	"Copyright (C) 2005-2014 Mike Pall"
+#define LUAJIT_VERSION		"LuaJIT 2.0.4"
+#define LUAJIT_VERSION_NUM	20004  /* Version 2.0.4 = 02.00.04. */
+#define LUAJIT_VERSION_SYM	luaJIT_version_2_0_4
+#define LUAJIT_COPYRIGHT	"Copyright (C) 2005-2016 Mike Pall"
 #define LUAJIT_URL		"http://luajit.org/"
 
 /* Modes for luaJIT_setmode. */
diff --git a/polymer/eduke32/platform/Windows/include/luajit-2.0/lualib.h b/polymer/eduke32/platform/Windows/include/luajit-2.0/lualib.h
index 1c1e31799..3a549555f 100644
--- a/polymer/eduke32/platform/Windows/include/luajit-2.0/lualib.h
+++ b/polymer/eduke32/platform/Windows/include/luajit-2.0/lualib.h
@@ -1,6 +1,6 @@
 /*
 ** Standard library header.
-** Copyright (C) 2005-2014 Mike Pall. See Copyright Notice in luajit.h
+** Copyright (C) 2005-2016 Mike Pall. See Copyright Notice in luajit.h
 */
 
 #ifndef _LUALIB_H
diff --git a/polymer/eduke32/platform/Windows/lib/32/libluajit.a b/polymer/eduke32/platform/Windows/lib/32/libluajit.a
index 13d46e9c4..49d44fc62 100644
Binary files a/polymer/eduke32/platform/Windows/lib/32/libluajit.a and b/polymer/eduke32/platform/Windows/lib/32/libluajit.a differ
diff --git a/polymer/eduke32/platform/Windows/lib/64/libluajit.a b/polymer/eduke32/platform/Windows/lib/64/libluajit.a
index 4082bc952..960c01ed4 100644
Binary files a/polymer/eduke32/platform/Windows/lib/64/libluajit.a and b/polymer/eduke32/platform/Windows/lib/64/libluajit.a differ