diff --git a/lib/api/embed.js b/lib/api/embed.js
index c7c33e3..afbdd1a 100644
--- a/lib/api/embed.js
+++ b/lib/api/embed.js
@@ -1,5 +1,4 @@
 var client = require("../client");
-var extend = require("extend");
 var json = require("../json");
 var querystring = require("querystring");
 
@@ -54,7 +53,9 @@ function create(graphJSON, options, callback){
     };
     // Use `extend` to merge `options` into `body`
     // DEV: `extend` will ignore any properties whose value is `undefined`
-    extend(body, options || {});
+    if (typeof options === "object" && options !== null) {
+        Object.assign(body, options);
+    }
 
     // Create the request
     var params = {
diff --git a/lib/client.js b/lib/client.js
index 275c6db..2a6fa1c 100644
--- a/lib/client.js
+++ b/lib/client.js
@@ -1,4 +1,3 @@
-var extend = require("extend");
 var https = require("https");
 var json = require("./json");
 var url = require("url");
@@ -58,8 +57,8 @@ client.prototype.request = function(method, path, params, callback){
         "application_key": this.app_key,
     };
 
-    if(typeof params["query"] === "object"){
-        extend(query, params["query"]);
+    if(typeof params["query"] === "object" && params["query"] !== null){
+        Object.assign(query, params["query"]);
     }
 
     path = url.format({
diff --git a/package-lock.json b/package-lock.json
index 83b3031..f3d8dcd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,6 @@
       "version": "2.8.3",
       "license": "MIT",
       "dependencies": {
-        "extend": "^3.0.2",
         "json-bigint": "^1.0.0",
         "lodash": "^4.17.21",
         "minimist": "^1.2.5",
@@ -243,11 +242,6 @@
         "node": ">=0.4.0"
       }
     },
-    "node_modules/extend": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
-      "integrity": "sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g=="
-    },
     "node_modules/foreach": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/foreach/-/foreach-2.0.5.tgz",
@@ -1097,11 +1091,6 @@
       "integrity": "sha1-CZNQL+r2aBODJXVvMPmlH+7sEek=",
       "dev": true
     },
-    "extend": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
-      "integrity": "sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g=="
-    },
     "foreach": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/foreach/-/foreach-2.0.5.tgz",
diff --git a/package.json b/package.json
index 12c6ef4..7d63ab6 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,6 @@
   "readmeFilename": "README.md",
   "gitHead": "f388635a5ab4f4da25702dc0999385d437bdf2bc",
   "dependencies": {
-    "extend": "^3.0.2",
     "json-bigint": "^1.0.0",
     "lodash": "^4.17.21",
     "minimist": "^1.2.5",
diff --git a/test/api/embed.js b/test/api/embed.js
index 3de5296..d3ea553 100644
--- a/test/api/embed.js
+++ b/test/api/embed.js
@@ -1,6 +1,5 @@
 var assert = require("assert");
 var client = require("../../lib/client");
-var extend = require("extend");
 var embed = require("../../lib/api/embed");
 var sinon = require("sinon");
 var querystring = require("querystring");
diff --git a/test/api/graph.js b/test/api/graph.js
index 927cbbc..f0faccd 100644
--- a/test/api/graph.js
+++ b/test/api/graph.js
@@ -1,6 +1,5 @@
 var assert = require("assert");
 var client = require("../../lib/client");
-var extend = require("extend");
 var graph = require("../../lib/api/graph");
 var sinon = require("sinon");
 var querystring = require("querystring");
diff --git a/test/api/metric.js b/test/api/metric.js
index dd00ed8..73724af 100644
--- a/test/api/metric.js
+++ b/test/api/metric.js
@@ -1,6 +1,5 @@
 var assert = require("assert");
 var client = require("../../lib/client");
-var extend = require("extend");
 var metric = require("../../lib/api/metric");
 var sinon = require("sinon");