diff --git a/middleclass.lua b/middleclass.lua
index 7cbec64..431d52f 100644
--- a/middleclass.lua
+++ b/middleclass.lua
@@ -97,9 +97,9 @@ end
 
 local Object = _createClass("Object", nil)
 
-Object.static.__metamethods = { '__add', '__call', '__concat', '__div', '__ipairs', '__le',
-                                '__len', '__lt', '__mod', '__mul', '__pairs', '__pow', '__sub',
-                                '__tostring', '__unm'}
+Object.static.__metamethods = { '__add', '__band', '__bor', '__bxor', '__bnot', '__call', '__concat', '__div', '__eq',
+                                '__gc', '__ipairs', '__idiv', '__le', '__len', '__lt', '__metatable', '__mod', '__mode',
+                                '__mul', '__pairs', '__pow', '__sh1', '__shr', '__sub', '__tostring', '__unm' }
 
 function Object.static:allocate()
   assert(type(self) == 'table', "Make sure that you are using 'Class:allocate' instead of 'Class.allocate'")
diff --git a/spec/metamethods_spec.lua b/spec/metamethods_spec.lua
index 93becaa..8b8bb63 100644
--- a/spec/metamethods_spec.lua
+++ b/spec/metamethods_spec.lua
@@ -5,6 +5,10 @@ local function is_lua_5_2_compatible()
   return type(rawlen) == 'function'
 end
 
+local function is_lua_5_3_compatible()
+  return type(string.unpack) == 'function'
+end
+
 describe('Metamethods', function()
 
   describe('Custom Metamethods', function()
@@ -48,6 +52,10 @@ describe('Metamethods', function()
     local a = Vector:new(1,2,3)
     local b = Vector:new(2,4,6)
 
+    function Vector.__gc(a)
+      b.x, b.y, b.z = a.x, a.y, a.z
+    end
+
     for metamethod,values in pairs({
       __tostring = { tostring(a), "Vector[1,2,3]" },
       __eq =       { a,    a},
@@ -60,7 +68,7 @@ describe('Metamethods', function()
       __concat =   { a..b, 28 },
       __call =     { a(), math.sqrt(14) },
       __pow =      { a^b,  Vector(0,0,0) },
-      __mul =      { 4*a,  Vector(4,8,12) }
+      __mul =      { 4*a,  Vector(4,8,12) },
       --__index =    { b[1], 3 }
     }) do
       describe(metamethod, function()
@@ -100,6 +108,14 @@ describe('Metamethods', function()
 
     end
 
+    if is_lua_5_3_compatible() then
+      describe('__gc', function()
+        a = nil
+        collectgarbage()
+        assert.are.same({b.x, b.y, b.z}, {1,2,3})
+      end)
+    end
+
     describe('Inherited Metamethods', function()
       local Vector2= class('Vector2', Vector)
       function Vector2:initialize(x,y,z) Vector.initialize(self,x,y,z) end