diff --git a/browserify/jsonapi-serializer.js b/browserify/jsonapi-serializer.js
index 0ee2ae9..163c55d 100644
--- a/browserify/jsonapi-serializer.js
+++ b/browserify/jsonapi-serializer.js
@@ -137,9 +137,15 @@ module.exports = function (jsonapi, data, opts) {
 
         if (valueForRelationship && isFunction(valueForRelationship.then)) {
           return valueForRelationship.then(function (value) {
+              if (relationshipData.meta) {
+                  value.meta = relationshipData.meta
+              }
             return value;
           });
         } else {
+            if (relationshipData.meta) {
+                valueForRelationship.meta = relationshipData.meta
+            }
           return valueForRelationship;
         }
       });
@@ -532,7 +538,13 @@ module.exports = function (collectionName, record, payload, opts) {
       if (typeof id !== 'undefined') { pushToIncluded(payload, included); }
     }
 
-    return typeof id !== 'undefined' ? { type: type, id: id } : null;
+    var json = typeof id !== 'undefined' ? { type: type, id: id } : null;
+
+    if (dest && dest.meta) {
+      json.meta = dest.meta
+    }
+
+    return json
   };
 
   this.serializeNested = function (dest, current, attribute, opts) {
diff --git a/lib/deserializer-utils.js b/lib/deserializer-utils.js
index 1265fd4..74e51aa 100644
--- a/lib/deserializer-utils.js
+++ b/lib/deserializer-utils.js
@@ -114,7 +114,8 @@ module.exports = function (jsonapi, data, opts) {
               return extractIncludes(relationshipData, ancestry);
             }))
             .then(function (includes) {
-              if (includes) { dest[keyForAttribute(key)] = includes; }
+              var filteredIncludes = includes.filter(item => Boolean(item));
+              if (filteredIncludes.length) { dest[keyForAttribute(key)] = filteredIncludes; }
             });
         } else {
           return extractIncludes(relationship.data, ancestry)
@@ -134,13 +135,24 @@ module.exports = function (jsonapi, data, opts) {
         var valueForRelationship = getValueForRelationship(relationshipData,
           included);
 
-        if (valueForRelationship && isFunction(valueForRelationship.then)) {
+        if (!valueForRelationship) {
+            return null
+        }
+
+        if (isFunction(valueForRelationship.then)) {
           return valueForRelationship.then(function (value) {
+              if (relationshipData.meta) {
+                  value.meta = relationshipData.meta
+              }
             return value;
           });
-        } else {
-          return valueForRelationship;
         }
+
+        if (relationshipData.meta) {
+            valueForRelationship.meta = relationshipData.meta
+        }
+
+        return valueForRelationship;
       });
   }
 
diff --git a/lib/serializer-utils.js b/lib/serializer-utils.js
index 0786e6a..f074648 100644
--- a/lib/serializer-utils.js
+++ b/lib/serializer-utils.js
@@ -65,11 +65,16 @@ module.exports = function (collectionName, record, payload, opts) {
     }
   }
 
-  function getType(str, attrVal) {
+  function getType(str, attrVal, attrOpts) {
     var type;
     attrVal = attrVal || {};
+    attrOpts = attrOpts || {};
 
-    if (isFunction(opts.typeForAttribute)) {
+    if (isFunction(attrOpts.typeForAttribute)) {
+      type = attrOpts.typeForAttribute(str, attrVal);
+    }
+
+    if (type === undefined && isFunction(opts.typeForAttribute)) {
       type = opts.typeForAttribute(str, attrVal);
     }
 
@@ -190,7 +195,7 @@ module.exports = function (collectionName, record, payload, opts) {
   this.serializeRef = function (dest, current, attribute, opts) {
     var that = this;
     var id = getRef(current, dest, opts);
-    var type = getType(attribute, dest);
+    var type = getType(attribute, dest, opts);
 
     var relationships = [];
     var includedAttrs = [];
@@ -230,7 +235,13 @@ module.exports = function (collectionName, record, payload, opts) {
       if (typeof id !== 'undefined') { pushToIncluded(payload, included); }
     }
 
-    return typeof id !== 'undefined' ? { type: type, id: id } : null;
+    var json = typeof id !== 'undefined' ? { type: type, id: id } : null;
+
+    if (dest && dest.meta) {
+      json.meta = dest.meta
+    }
+
+    return json
   };
 
   this.serializeNested = function (dest, current, attribute, opts) {
diff --git a/package-lock.json b/package-lock.json
index 8b76b04..4f0447d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "jsonapi-serializer",
-  "version": "3.6.3",
+  "version": "3.7.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -1289,7 +1289,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -1310,12 +1311,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -1330,17 +1333,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -1457,7 +1463,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -1469,6 +1476,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -1483,6 +1491,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -1490,12 +1499,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -1514,6 +1525,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -1594,7 +1606,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -1606,6 +1619,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -1691,7 +1705,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -1727,6 +1742,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -1746,6 +1762,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -1789,12 +1806,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
diff --git a/package.json b/package.json
index d4937d3..654b12d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
-  "name": "jsonapi-serializer",
-  "version": "3.6.7",
+  "name": "@freshfx/jsonapi-serializer",
+  "version": "3.7.1",
   "description": "A Node.js framework agnostic library for serializing your data to JSON API",
   "main": "index.js",
   "scripts": {
diff --git a/test/deserializer.js b/test/deserializer.js
index bd5ae42..1634e49 100644
--- a/test/deserializer.js
+++ b/test/deserializer.js
@@ -478,7 +478,7 @@ describe('JSON API Deserializer', function () {
           .deserialize(dataSet, function (err, json) {
             expect(json).to.be.an('object');
 
-            expect(json).to.have.key('id', 'first-name', 'last-name', 
+            expect(json).to.have.key('id', 'first-name', 'last-name',
               'username', 'images');
 
             expect(json.images).to.be.an('array').with.length(2)
@@ -553,7 +553,7 @@ describe('JSON API Deserializer', function () {
               id: '2',
               type: 'stores',
               attributes: {
-                name: 'Fashionable Clothes' 
+                name: 'Fashionable Clothes'
               },
               relationships: {
                 deals: {
@@ -619,7 +619,7 @@ describe('JSON API Deserializer', function () {
               name: 'Twin Pines Mall',
               id: '1',
               stores: [
-                { 
+                {
                   name: 'Tasty Food',
                   id: '1',
                   deals: [
@@ -634,10 +634,10 @@ describe('JSON API Deserializer', function () {
                       id: '2',
                       stores: [
                         { name: 'Tasty Food', id: '1' }
-                      ] 
-                    } 
+                      ]
+                    }
                   ]
-                }, { 
+                }, {
                   name: 'Fashionable Clothes',
                   id: '2',
                   deals: [
@@ -649,10 +649,10 @@ describe('JSON API Deserializer', function () {
                       ]
                     }
                   ]
-                }, { 
+                }, {
                   name: 'Readable Books',
                   id: '3'
-                } 
+                }
               ],
               deals: [
                 {
@@ -696,7 +696,7 @@ describe('JSON API Deserializer', function () {
                     }
                   ]
                 }
-              ] 
+              ]
             });
 
             done(null, json);
@@ -1180,8 +1180,7 @@ describe('JSON API Deserializer', function () {
             expect(json).eql({
               id: '54735750e16638ba1eee59cb',
               'first-name': 'Sandro',
-              'last-name': 'Munda',
-              'addresses': []
+              'last-name': 'Munda'
             });
             done(null, json);
           });