diff --git a/Plugins/UnLua/Source/ThirdParty/Lua/Lua.Build.cs b/Plugins/UnLua/Source/ThirdParty/Lua/Lua.Build.cs
index 0e9eb2f0..3e0314fb 100644
--- a/Plugins/UnLua/Source/ThirdParty/Lua/Lua.Build.cs
+++ b/Plugins/UnLua/Source/ThirdParty/Lua/Lua.Build.cs
@@ -23,7 +23,8 @@ public Lua(ReadOnlyTargetRules Target) : base(Target)
         Type = ModuleType.External;
 
         if (Target.Platform == UnrealTargetPlatform.Win64 || Target.Platform == UnrealTargetPlatform.Mac || 
-            Target.Platform == UnrealTargetPlatform.IOS || Target.Platform == UnrealTargetPlatform.Android)
+            Target.Platform == UnrealTargetPlatform.IOS || Target.Platform == UnrealTargetPlatform.Android || 
+            Target.Platform == UnrealTargetPlatform.Linux /* || Target.Platform == UnrealTargetPlatform.LinuxAArch64 */)
         {
             string LuaDynLibName = "";
             string LuaDynamicLibPath = "";
@@ -50,15 +51,25 @@ public Lua(ReadOnlyTargetRules Target) : base(Target)
             {
                 PublicAdditionalLibraries.Add(Path.Combine(ModuleDirectory, "lib/IOS/liblua.a"));
             }
-            else        // UnrealTargetPlatform.Android
+            else if (Target.Platform == UnrealTargetPlatform.Android)       // UnrealTargetPlatform.Android
             {
                 //PublicLibraryPaths.Add(Path.Combine(ModuleDirectory, "lib/Android/ARMv7"));
                 //PublicLibraryPaths.Add(Path.Combine(ModuleDirectory, "lib/Android/ARM64"));
                 //PublicAdditionalLibraries.Add("lua");
                 PublicAdditionalLibraries.Add(Path.Combine(ModuleDirectory, "lib/Android/ARMv7/liblua.a"));
                 PublicAdditionalLibraries.Add(Path.Combine(ModuleDirectory, "lib/Android/ARM64/liblua.a"));
+				PublicAdditionalLibraries.Add(Path.Combine(ModuleDirectory, "lib/Android/x86_64/liblua.a"));
             }
-
+            else if (Target.Platform == UnrealTargetPlatform.Linux)// UnrealTargetPlatform.Linux || UnrealTargetPlatform.LinuxAArch64
+            {
+                PublicAdditionalLibraries.Add(Path.Combine(ModuleDirectory, "lib/Linux/x86_64/liblua.a"));
+            } 
+            /* else if (Target.Platform == UnrealTargetPlatform.LinuxAArch64)
+            {
+                PublicAdditionalLibraries.Add(Path.Combine(ModuleDirectory, "lib/Linux/arch64/liblua.a"));
+            }
+            */
+
             if (Target.bBuildEditor == true)
             {
                 PublicDelayLoadDLLs.Add(LuaDynLibName);
diff --git a/Plugins/UnLua/Source/ThirdParty/Lua/binaries/Mac/liblua.dylib b/Plugins/UnLua/Source/ThirdParty/Lua/binaries/Mac/liblua.dylib
index 26776fab..d2fc1e62 100644
Binary files a/Plugins/UnLua/Source/ThirdParty/Lua/binaries/Mac/liblua.dylib and b/Plugins/UnLua/Source/ThirdParty/Lua/binaries/Mac/liblua.dylib differ
diff --git a/Plugins/UnLua/Source/ThirdParty/Lua/binaries/Win64/Lua.dll b/Plugins/UnLua/Source/ThirdParty/Lua/binaries/Win64/Lua.dll
index 60dde1f5..008e29d7 100644
Binary files a/Plugins/UnLua/Source/ThirdParty/Lua/binaries/Win64/Lua.dll and b/Plugins/UnLua/Source/ThirdParty/Lua/binaries/Win64/Lua.dll differ
diff --git a/Plugins/UnLua/Source/ThirdParty/Lua/binaries/Win64/Lua.lib b/Plugins/UnLua/Source/ThirdParty/Lua/binaries/Win64/Lua.lib
index d3420343..0baab4f1 100644
Binary files a/Plugins/UnLua/Source/ThirdParty/Lua/binaries/Win64/Lua.lib and b/Plugins/UnLua/Source/ThirdParty/Lua/binaries/Win64/Lua.lib differ
diff --git a/Plugins/UnLua/Source/ThirdParty/Lua/include/lauxlib.h b/Plugins/UnLua/Source/ThirdParty/Lua/include/lauxlib.h
index 9a2e66aa..9857d3a8 100644
--- a/Plugins/UnLua/Source/ThirdParty/Lua/include/lauxlib.h
+++ b/Plugins/UnLua/Source/ThirdParty/Lua/include/lauxlib.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lauxlib.h,v 1.131 2016/12/06 14:54:31 roberto Exp $
+** $Id: lauxlib.h,v 1.131.1.1 2017/04/19 17:20:42 roberto Exp $
 ** Auxiliary functions for building Lua libraries
 ** See Copyright Notice in lua.h
 */
diff --git a/Plugins/UnLua/Source/ThirdParty/Lua/include/lfunc.h b/Plugins/UnLua/Source/ThirdParty/Lua/include/lfunc.h
index 2eeb0d5a..c916e987 100644
--- a/Plugins/UnLua/Source/ThirdParty/Lua/include/lfunc.h
+++ b/Plugins/UnLua/Source/ThirdParty/Lua/include/lfunc.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lfunc.h,v 2.15 2015/01/13 15:49:11 roberto Exp $
+** $Id: lfunc.h,v 2.15.1.1 2017/04/19 17:39:34 roberto Exp $
 ** Auxiliary functions to manipulate prototypes and closures
 ** See Copyright Notice in lua.h
 */
diff --git a/Plugins/UnLua/Source/ThirdParty/Lua/include/llimits.h b/Plugins/UnLua/Source/ThirdParty/Lua/include/llimits.h
index f21377fe..d1036f6b 100644
--- a/Plugins/UnLua/Source/ThirdParty/Lua/include/llimits.h
+++ b/Plugins/UnLua/Source/ThirdParty/Lua/include/llimits.h
@@ -1,5 +1,5 @@
 /*
-** $Id: llimits.h,v 1.141 2015/11/19 19:16:22 roberto Exp $
+** $Id: llimits.h,v 1.141.1.1 2017/04/19 17:20:42 roberto Exp $
 ** Limits, basic types, and some other 'installation-dependent' definitions
 ** See Copyright Notice in lua.h
 */
diff --git a/Plugins/UnLua/Source/ThirdParty/Lua/include/lmem.h b/Plugins/UnLua/Source/ThirdParty/Lua/include/lmem.h
index 30f48489..357b1e43 100644
--- a/Plugins/UnLua/Source/ThirdParty/Lua/include/lmem.h
+++ b/Plugins/UnLua/Source/ThirdParty/Lua/include/lmem.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lmem.h,v 1.43 2014/12/19 17:26:14 roberto Exp $
+** $Id: lmem.h,v 1.43.1.1 2017/04/19 17:20:42 roberto Exp $
 ** Interface to Memory Manager
 ** See Copyright Notice in lua.h
 */
diff --git a/Plugins/UnLua/Source/ThirdParty/Lua/include/lobject.h b/Plugins/UnLua/Source/ThirdParty/Lua/include/lobject.h
index 3c042289..24088614 100644
--- a/Plugins/UnLua/Source/ThirdParty/Lua/include/lobject.h
+++ b/Plugins/UnLua/Source/ThirdParty/Lua/include/lobject.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lobject.h,v 2.117 2016/08/01 19:51:24 roberto Exp $
+** $Id: lobject.h,v 2.117.1.1 2017/04/19 17:39:34 roberto Exp $
 ** Type definitions for Lua objects
 ** See Copyright Notice in lua.h
 */
diff --git a/Plugins/UnLua/Source/ThirdParty/Lua/include/lstate.h b/Plugins/UnLua/Source/ThirdParty/Lua/include/lstate.h
index a469466c..56b37410 100644
--- a/Plugins/UnLua/Source/ThirdParty/Lua/include/lstate.h
+++ b/Plugins/UnLua/Source/ThirdParty/Lua/include/lstate.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lstate.h,v 2.133 2016/12/22 13:08:50 roberto Exp $
+** $Id: lstate.h,v 2.133.1.1 2017/04/19 17:39:34 roberto Exp $
 ** Global State
 ** See Copyright Notice in lua.h
 */
@@ -26,6 +26,24 @@
 ** 'tobefnz': all objects ready to be finalized;
 ** 'fixedgc': all objects that are not to be collected (currently
 ** only small strings, such as reserved words).
+**
+** Moreover, there is another set of lists that control gray objects.
+** These lists are linked by fields 'gclist'. (All objects that
+** can become gray have such a field. The field is not the same
+** in all objects, but it always has this name.)  Any gray object
+** must belong to one of these lists, and all objects in these lists
+** must be gray:
+**
+** 'gray': regular gray objects, still waiting to be visited.
+** 'grayagain': objects that must be revisited at the atomic phase.
+**   That includes
+**   - black objects got in a write barrier;
+**   - all kinds of weak tables during propagation phase;
+**   - all threads.
+** 'weak': tables with weak values to be cleared;
+** 'ephemeron': ephemeron tables with white->white entries;
+** 'allweak': tables with weak keys and/or weak values to be cleared.
+** The last three lists are used only during the atomic phase.
 
 */
 
diff --git a/Plugins/UnLua/Source/ThirdParty/Lua/include/ltm.h b/Plugins/UnLua/Source/ThirdParty/Lua/include/ltm.h
index 63db7269..8170688d 100644
--- a/Plugins/UnLua/Source/ThirdParty/Lua/include/ltm.h
+++ b/Plugins/UnLua/Source/ThirdParty/Lua/include/ltm.h
@@ -1,5 +1,5 @@
 /*
-** $Id: ltm.h,v 2.22 2016/02/26 19:20:15 roberto Exp $
+** $Id: ltm.h,v 2.22.1.1 2017/04/19 17:20:42 roberto Exp $
 ** Tag methods
 ** See Copyright Notice in lua.h
 */
diff --git a/Plugins/UnLua/Source/ThirdParty/Lua/include/lua.h b/Plugins/UnLua/Source/ThirdParty/Lua/include/lua.h
index 26c0e2d6..9394c5ef 100644
--- a/Plugins/UnLua/Source/ThirdParty/Lua/include/lua.h
+++ b/Plugins/UnLua/Source/ThirdParty/Lua/include/lua.h
@@ -1,5 +1,4 @@
 /*
-** $Id: lua.h,v 1.332 2016/12/22 15:51:20 roberto Exp $
 ** Lua - A Scripting Language
 ** Lua.org, PUC-Rio, Brazil (http://www.lua.org)
 ** See Copyright Notice at the end of this file
@@ -19,11 +18,11 @@
 #define LUA_VERSION_MAJOR	"5"
 #define LUA_VERSION_MINOR	"3"
 #define LUA_VERSION_NUM		503
-#define LUA_VERSION_RELEASE	"4"
+#define LUA_VERSION_RELEASE	"6"
 
 #define LUA_VERSION	"Lua " LUA_VERSION_MAJOR "." LUA_VERSION_MINOR
 #define LUA_RELEASE	LUA_VERSION "." LUA_VERSION_RELEASE
-#define LUA_COPYRIGHT	LUA_RELEASE "  Copyright (C) 1994-2017 Lua.org, PUC-Rio"
+#define LUA_COPYRIGHT	LUA_RELEASE "  Copyright (C) 1994-2020 Lua.org, PUC-Rio"
 #define LUA_AUTHORS	"R. Ierusalimschy, L. H. de Figueiredo, W. Celes"
 
 
@@ -460,7 +459,7 @@ struct lua_Debug {
 
 
 /******************************************************************************
-* Copyright (C) 1994-2017 Lua.org, PUC-Rio.
+* Copyright (C) 1994-2020 Lua.org, PUC-Rio.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
diff --git a/Plugins/UnLua/Source/ThirdParty/Lua/include/luaconf.h b/Plugins/UnLua/Source/ThirdParty/Lua/include/luaconf.h
index f37bea09..9eeeea69 100644
--- a/Plugins/UnLua/Source/ThirdParty/Lua/include/luaconf.h
+++ b/Plugins/UnLua/Source/ThirdParty/Lua/include/luaconf.h
@@ -1,5 +1,5 @@
 /*
-** $Id: luaconf.h,v 1.259 2016/12/22 13:08:50 roberto Exp $
+** $Id: luaconf.h,v 1.259.1.1 2017/04/19 17:29:57 roberto Exp $
 ** Configuration file for Lua
 ** See Copyright Notice in lua.h
 */
@@ -620,6 +620,13 @@
 #endif
 
 
+/*
+@@ lua_pointer2str converts a pointer to a readable string in a
+** non-specified way.
+*/
+#define lua_pointer2str(buff,sz,p)	l_sprintf(buff,sz,"%p",p)
+
+
 /*
 @@ lua_number2strx converts a float to an hexadecimal numeric string.
 ** In C99, 'sprintf' (with format specifiers '%a'/'%A') does that.
diff --git a/Plugins/UnLua/Source/ThirdParty/Lua/include/lualib.h b/Plugins/UnLua/Source/ThirdParty/Lua/include/lualib.h
index 6c0bc4cb..f5304aa0 100644
--- a/Plugins/UnLua/Source/ThirdParty/Lua/include/lualib.h
+++ b/Plugins/UnLua/Source/ThirdParty/Lua/include/lualib.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lualib.h,v 1.45 2017/01/12 17:14:26 roberto Exp $
+** $Id: lualib.h,v 1.45.1.1 2017/04/19 17:20:42 roberto Exp $
 ** Lua standard libraries
 ** See Copyright Notice in lua.h
 */
diff --git a/Plugins/UnLua/Source/ThirdParty/Lua/include/lzio.h b/Plugins/UnLua/Source/ThirdParty/Lua/include/lzio.h
index e7b6f34b..d8978708 100644
--- a/Plugins/UnLua/Source/ThirdParty/Lua/include/lzio.h
+++ b/Plugins/UnLua/Source/ThirdParty/Lua/include/lzio.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lzio.h,v 1.31 2015/09/08 15:41:05 roberto Exp $
+** $Id: lzio.h,v 1.31.1.1 2017/04/19 17:20:42 roberto Exp $
 ** Buffered streams
 ** See Copyright Notice in lua.h
 */
diff --git a/Plugins/UnLua/Source/ThirdParty/Lua/lib/Android/ARM64/liblua.a b/Plugins/UnLua/Source/ThirdParty/Lua/lib/Android/ARM64/liblua.a
index 287b26ee..7033c1b9 100644
Binary files a/Plugins/UnLua/Source/ThirdParty/Lua/lib/Android/ARM64/liblua.a and b/Plugins/UnLua/Source/ThirdParty/Lua/lib/Android/ARM64/liblua.a differ
diff --git a/Plugins/UnLua/Source/ThirdParty/Lua/lib/Android/ARMv7/liblua.a b/Plugins/UnLua/Source/ThirdParty/Lua/lib/Android/ARMv7/liblua.a
index 60d87555..15fe0cac 100644
Binary files a/Plugins/UnLua/Source/ThirdParty/Lua/lib/Android/ARMv7/liblua.a and b/Plugins/UnLua/Source/ThirdParty/Lua/lib/Android/ARMv7/liblua.a differ
diff --git a/Plugins/UnLua/Source/ThirdParty/Lua/lib/Android/x86_64/liblua.a b/Plugins/UnLua/Source/ThirdParty/Lua/lib/Android/x86_64/liblua.a
new file mode 100644
index 00000000..457512e5
Binary files /dev/null and b/Plugins/UnLua/Source/ThirdParty/Lua/lib/Android/x86_64/liblua.a differ
diff --git a/Plugins/UnLua/Source/ThirdParty/Lua/lib/Linux/x86_64/liblua.a b/Plugins/UnLua/Source/ThirdParty/Lua/lib/Linux/x86_64/liblua.a
new file mode 100644
index 00000000..ed3ab84c
Binary files /dev/null and b/Plugins/UnLua/Source/ThirdParty/Lua/lib/Linux/x86_64/liblua.a differ
diff --git a/Plugins/UnLua/Source/ThirdParty/Lua/lib/Mac/liblua.a b/Plugins/UnLua/Source/ThirdParty/Lua/lib/Mac/liblua.a
index abd48e49..b732857a 100644
Binary files a/Plugins/UnLua/Source/ThirdParty/Lua/lib/Mac/liblua.a and b/Plugins/UnLua/Source/ThirdParty/Lua/lib/Mac/liblua.a differ
diff --git a/Plugins/UnLua/Source/ThirdParty/Lua/lib/Win64/Lua.lib b/Plugins/UnLua/Source/ThirdParty/Lua/lib/Win64/Lua.lib
index 1b48e679..fdfd46a0 100644
Binary files a/Plugins/UnLua/Source/ThirdParty/Lua/lib/Win64/Lua.lib and b/Plugins/UnLua/Source/ThirdParty/Lua/lib/Win64/Lua.lib differ
diff --git a/Plugins/UnLua/Source/ThirdParty/Lua/lib/iOS/liblua.a b/Plugins/UnLua/Source/ThirdParty/Lua/lib/iOS/liblua.a
index c1ee0e70..abf36912 100644
Binary files a/Plugins/UnLua/Source/ThirdParty/Lua/lib/iOS/liblua.a and b/Plugins/UnLua/Source/ThirdParty/Lua/lib/iOS/liblua.a differ
diff --git a/Plugins/UnLua/UnLua.uplugin b/Plugins/UnLua/UnLua.uplugin
index c6edaf93..cf08f99e 100644
--- a/Plugins/UnLua/UnLua.uplugin
+++ b/Plugins/UnLua/UnLua.uplugin
@@ -20,7 +20,7 @@
             "Name" : "UnLua",
             "Type" : "Runtime",
             "LoadingPhase" : "PostConfigInit",
-            "WhitelistPlatforms" : [ "Win64", "Mac", "IOS", "Android" ]
+            "WhitelistPlatforms": [ "Win64", "Mac", "IOS", "Android", "Linux"]
         },
         {
             "Name" : "UnLuaEditor",