diff --git a/README.md b/README.md
index 9aa60ca..04320fa 100644
--- a/README.md
+++ b/README.md
@@ -85,7 +85,25 @@ api.contacts.updateContact({
   company: 'My Company 2',
   ...
 }, 123456)
-.then(response => console.log(response.data.properties))
+.then(response => console.log(response.status))
+.catch(error => console.error(error))
+```
+
+**Reference:**
+https://developers.hubspot.com/docs/methods/contacts/update_contact
+
+#### - Update a contact by email
+
+**Usage:**
+```javascript
+api.contacts.updateContactByEmail({
+  firstname: 'Jon',
+  lastname: 'Doe',
+  website: 'http://www.my-new-company.com',
+  company: 'My Company 2',
+  ...
+}, 'email@domain.com')
+.then(response => console.log(response.status))
 .catch(error => console.error(error))
 ```
 
diff --git a/dist/endpoints/contacts.js b/dist/endpoints/contacts.js
index 86841d4..f1f27c1 100644
--- a/dist/endpoints/contacts.js
+++ b/dist/endpoints/contacts.js
@@ -57,7 +57,7 @@ var Contacts = function Contacts() {
         return (0, _errorHandler2.default)(error);
       });
     },
-    updateContact: function updateContact(properties, id) {
+    updateContactById: function updateContactById(properties, id) {
 
       var mappedProperties = this.mapProperties(properties);
 
@@ -66,6 +66,16 @@ var Contacts = function Contacts() {
       }).catch(function (error) {
         return (0, _errorHandler2.default)(error);
       });
+    },
+    updateContactByEmail: function updateContactByEmail(properties, email) {
+
+      var mappedProperties = this.mapProperties(properties);
+
+      return api.post('contacts/v1/contact/email/' + email + '/profile', { properties: [].concat(_toConsumableArray(mappedProperties)) }).then(function (response) {
+        return (0, _responseHandler2.default)(response);
+      }).catch(function (error) {
+        return (0, _errorHandler2.default)(error);
+      });
     }
   };
 };
diff --git a/package.json b/package.json
index 69034dc..a2a016b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "node-hubspot-api",
-  "version": "0.2.2",
+  "version": "0.3.0",
   "description": "A wrapper for the HubSpot API based on Node.",
   "main": "./dist/index.js",
   "scripts": {
diff --git a/src/endpoints/contacts.js b/src/endpoints/contacts.js
index ac4e387..935337e 100644
--- a/src/endpoints/contacts.js
+++ b/src/endpoints/contacts.js
@@ -33,14 +33,22 @@ const Contacts = (api = null) => {
         .then(response => responseHandler(response))
         .catch(error => errorHandler(error))
     },
-    updateContact(properties, id) {
+    updateContactById(properties, id) {
 
       let mappedProperties = this.mapProperties(properties)
 
       return api.post(`contacts/v1/contact/vid/${id}/profile`, {properties: [ ...mappedProperties ]})
         .then(response => responseHandler(response))
         .catch(error => errorHandler(error))
-    }
+    },
+    updateContactByEmail(properties, email) {
+
+      let mappedProperties = this.mapProperties(properties)
+
+      return api.post(`contacts/v1/contact/email/${email}/profile`, {properties: [ ...mappedProperties ]})
+        .then(response => responseHandler(response))
+        .catch(error => errorHandler(error))
+    },
   }
 }
 
diff --git a/test/contacts.js b/test/contacts.js
index 55b315c..3dc106e 100644
--- a/test/contacts.js
+++ b/test/contacts.js
@@ -22,7 +22,7 @@ describe('Contacts', () => {
 
   describe('Create or update a contact', () => {
 
-    let newContact = {
+    let contactInfo = {
       email: Math.random().toString(36).substring(2,11) + '@domain.com',
       firstname: 'James',
       lastname: 'Bond',
@@ -30,38 +30,52 @@ describe('Contacts', () => {
       company: 'My Company',
     }
 
-    let existingContact = {}
-
     it('Should return the details of the new contact record', done => {
 
-      api.contacts.createContact(newContact)
+      api.contacts.createContact(contactInfo)
         .then(response => {
           expect(response.status).to.equal(200)
           expect(response.data).to.be.a('object')
           expect(response.data.properties).to.be.a('object')
-          expect(response.data.properties.email.value).to.be.equal(newContact.email)
-          expect(response.data.properties.firstname.value).to.be.equal(newContact.firstname)
-          expect(response.data.properties.lastname.value).to.be.equal(newContact.lastname)
-          expect(response.data.properties.website.value).to.be.equal(newContact.website)
-          expect(response.data.properties.company.value).to.be.equal(newContact.company)
+          expect(response.data.properties.email.value).to.be.equal(contactInfo.email)
+          expect(response.data.properties.firstname.value).to.be.equal(contactInfo.firstname)
+          expect(response.data.properties.lastname.value).to.be.equal(contactInfo.lastname)
+          expect(response.data.properties.website.value).to.be.equal(contactInfo.website)
+          expect(response.data.properties.company.value).to.be.equal(contactInfo.company)
 
           // Save created contact ID
-          existingContact.id = response.data.vid
+          contactInfo.id = response.data.vid
 
           done()
         })
         .catch(error => done(error))
     })
 
-    it('Should return the details of the updated contact record', done => {
+    it('Should return the details of the updated contact record by ID', done => {
 
-      existingContact = {
-        ...existingContact,
+      contactInfo = {
+        ...contactInfo,
         firstname: 'Jon',
         lastname: 'Doe',
       }
 
-      api.contacts.updateContact(existingContact, existingContact.id)
+      api.contacts.updateContactById(contactInfo, contactInfo.id)
+        .then(response => {
+          expect(response.status).to.equal(204)
+          done()
+        })
+        .catch(error => done(error))
+    })
+
+    it('Should return the details of the updated contact record by email', done => {
+
+      contactInfo = {
+        ...contactInfo,
+        firstname: 'Jon Update',
+        lastname: 'Doe Update',
+      }
+
+      api.contacts.updateContactByEmail(contactInfo, contactInfo.email)
         .then(response => {
           expect(response.status).to.equal(204)
           done()