diff --git a/HISTORY.md b/HISTORY.md
index 90157e0..710372a 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,4 +1,9 @@
-3.3.1 / 2020-11-06
+3.3.6 / 2020-11-06
+==================
+
+  * Remove third party library "is-email"
+
+3.3.3 / 2020-11-06
 ==================
 
   * Remove third party library "type-component" in favor of native JS functions
diff --git a/lib/group.js b/lib/group.js
index 171311e..24bb402 100644
--- a/lib/group.js
+++ b/lib/group.js
@@ -1,7 +1,7 @@
 "use strict";
 
 import inherit from "inherits";
-import isEmail from "is-email";
+import isEmail from "./is-email";
 import newDate from "new-date";
 import { Facade } from "./facade";
 
diff --git a/lib/identify.js b/lib/identify.js
index 2c5af82..11df7bd 100644
--- a/lib/identify.js
+++ b/lib/identify.js
@@ -3,7 +3,7 @@
 import { Facade } from "./facade";
 import get from "obj-case";
 import inherit from "inherits";
-import isEmail from "is-email";
+import isEmail from "./is-email";
 import newDate from "new-date";
 
 let trim = (str) => str.trim();
diff --git a/lib/is-email.js b/lib/is-email.js
new file mode 100644
index 0000000..c4edda2
--- /dev/null
+++ b/lib/is-email.js
@@ -0,0 +1,5 @@
+const matcher = /.+\@.+\..+/;
+
+export default function isEmail(string) {
+  return matcher.test(string);
+}
diff --git a/lib/page.js b/lib/page.js
index 887d940..b077190 100644
--- a/lib/page.js
+++ b/lib/page.js
@@ -3,7 +3,7 @@
 import inherit from "inherits";
 import { Facade } from "./facade";
 import { Track } from "./track";
-import isEmail from "is-email";
+import isEmail from "./is-email";
 
 /**
  * Initialize a new `Page` facade with a `dictionary` of arguments.
diff --git a/lib/track.js b/lib/track.js
index 7ac3fd6..7ac28aa 100644
--- a/lib/track.js
+++ b/lib/track.js
@@ -3,7 +3,7 @@
 import inherit from "inherits";
 import { Facade } from "./facade";
 import { Identify } from "./identify";
-import isEmail from "is-email";
+import isEmail from "./is-email";
 import get from "obj-case";
 
 /**
diff --git a/package.json b/package.json
index 05e11ec..f0d30d0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@segment/facade",
-  "version": "3.3.5",
+  "version": "3.3.6",
   "description": "Providing common fields for analytics integrations",
   "keywords": [],
   "main": "dist/index.js",
@@ -24,7 +24,6 @@
     "@ndhoule/clone": "^1.0.0",
     "@segment/isodate-traverse": "^1.0.0",
     "inherits": "^2.0.1",
-    "is-email": "0.1.0",
     "new-date": "github://segmentio/new-date",
     "obj-case": "0.x"
   },
diff --git a/yarn.lock b/yarn.lock
index 5be91a1..175c193 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5733,10 +5733,6 @@ is-dotfile@^1.0.0:
   version "1.0.3"
   resolved "https://registry.npmjs.org/is-dotfile/-/is-dotfile-1.0.3.tgz#a6a2f32ffd2dfb04f5ca25ecd0f6b83cf798a1e1"
 
-is-email@0.1.0:
-  version "0.1.0"
-  resolved "https://registry.npmjs.org/is-email/-/is-email-0.1.0.tgz#e7eb1aefe8d4a3183980a7172b851272ebd04a95"
-
 is-equal-shallow@^0.1.3:
   version "0.1.3"
   resolved "https://registry.npmjs.org/is-equal-shallow/-/is-equal-shallow-0.1.3.tgz#2238098fc221de0bcfa5d9eac4c45d638aa1c534"