diff --git a/README.md b/README.md
index c1a3ac4..5e9a3d7 100644
--- a/README.md
+++ b/README.md
@@ -80,16 +80,16 @@ During the development of this package I ran into some pitfalls. Here a tip to h
 
 ## Supported resources
 
-| Component     |       Fetch all       |     Fetch single      |        Create         |        Update         |        delete         |
-|---------------|:---------------------:|:---------------------:|:---------------------:|:---------------------:|:---------------------:|
-| AccessToken   |  :white_check_mark:   |      :no_entry:       |      :no_entry:       |      :no_entry:       |      :no_entry:       |
-| Companies     |  :white_check_mark:   |  :white_check_mark:   |  :white_check_mark:   |      :no_entry:       |      :no_entry:       |
-| Contacts      |  :white_check_mark:   |  :white_check_mark:   | :black_square_button: | :black_square_button: | :black_square_button: | 
-| Products      |  :white_check_mark:   |  :white_check_mark:   |      :no_entry:       |      :no_entry:       |      :no_entry:       |
-| Orders        |  :white_check_mark:   |  :white_check_mark:   |  :white_check_mark:   |      :no_entry:       |      :no_entry:       |
-| Subscriptions |  :white_check_mark:   |  :white_check_mark:   |      :no_entry:       | :black_square_button: | :black_square_button: |
-| Invoices      |  :white_check_mark:   |  :white_check_mark:   |      :no_entry:       |      :no_entry:       |      :no_entry:       |
-| Usage         | :black_square_button: | :black_square_button: |      :no_entry:       |      :no_entry:       |      :no_entry:       |
+| Component     |       Fetch all       |     Fetch single      |       Create        |        Update         |        delete         |
+|---------------|:---------------------:|:---------------------:|:-------------------:|:---------------------:|:---------------------:|
+| AccessToken   |  :white_check_mark:   |      :no_entry:       |     :no_entry:      |      :no_entry:       |      :no_entry:       |
+| Companies     |  :white_check_mark:   |  :white_check_mark:   | :white_check_mark:  |      :no_entry:       |      :no_entry:       |
+| Contacts      |  :white_check_mark:   |  :white_check_mark:   | :white_check_mark:  |  :white_check_mark:   | :black_square_button: | 
+| Products      |  :white_check_mark:   |  :white_check_mark:   |     :no_entry:      |      :no_entry:       |      :no_entry:       |
+| Orders        |  :white_check_mark:   |  :white_check_mark:   | :white_check_mark:  |      :no_entry:       |      :no_entry:       |
+| Subscriptions |  :white_check_mark:   |  :white_check_mark:   |     :no_entry:      | :black_square_button: | :black_square_button: |
+| Invoices      |  :white_check_mark:   |  :white_check_mark:   |     :no_entry:      |      :no_entry:       |      :no_entry:       |
+| Usage         | :black_square_button: | :black_square_button: |     :no_entry:      |      :no_entry:       |      :no_entry:       |
 
 ## Links
 
diff --git a/src/Requests/AbstractRequest.php b/src/Requests/AbstractRequest.php
index 23cdeb4..178b7a2 100644
--- a/src/Requests/AbstractRequest.php
+++ b/src/Requests/AbstractRequest.php
@@ -78,6 +78,33 @@ protected function getRequest($path, $query = [] ): ?ResponseInterface
      * @throws \GuzzleHttp\Exception\GuzzleException
      */
     protected function postRequest($path, \stdClass $data ): ?ResponseInterface
+    {
+        return $this->doRequest( 'POST', $path, $data );
+    }
+
+    /**
+     * Do a PUT request on the Pax8 API
+     *
+     * @param $path
+     * @param \stdClass $data
+     * @return ResponseInterface|null
+     * @throws \GuzzleHttp\Exception\GuzzleException
+     */
+    protected function putRequest($path, \stdClass $data ): ?ResponseInterface
+    {
+        return $this->doRequest( 'PUT', $path, $data );
+    }
+
+    /**
+     * Handle PUT or POST request on the Pax8 API
+     *
+     * @param string $method
+     * @param $path
+     * @param \stdClass $data
+     * @return ResponseInterface|null
+     * @throws \GuzzleHttp\Exception\GuzzleException
+     */
+    protected function doRequest(string $method, $path, \stdClass $data ): ?ResponseInterface
     {
         if( $this->pax8->isExpired() )
             $this->pax8->renew();
@@ -86,7 +113,7 @@ protected function postRequest($path, \stdClass $data ): ?ResponseInterface
 
         $retries = 2;
         while( $retries > 0 ) {
-            $response = $client->request('POST', $path, [
+            $response = $client->request($method, $path, [
                 'headers' => [
                     'content-type' => 'application/json',
                     'Authorization' => 'Bearer ' . $this->pax8->accessToken
@@ -101,6 +128,7 @@ protected function postRequest($path, \stdClass $data ): ?ResponseInterface
             $this->pax8->renew();
             $retries--;
         }
+
         return $this->handleErrors( $response );
     }
 
diff --git a/src/Requests/ContactRequest.php b/src/Requests/ContactRequest.php
index 1b76f84..15a2648 100644
--- a/src/Requests/ContactRequest.php
+++ b/src/Requests/ContactRequest.php
@@ -68,4 +68,25 @@ public function create(Contact $contact): ?Contact
             return null;
 
     }
+
+    /**
+     * Updates an existing contact. Returns a new Contact object when successfully updated,
+     * or null if contact not updated or invalid contact information is passed
+     *
+     * @param string $companyId
+     * @param Contact $contact
+     * @return Contact|null
+     * @throws \GuzzleHttp\Exception\GuzzleException
+     */
+    public function update(string $companyId, Contact $contact): ?Contact
+    {
+        $contactId = $contact->getId();
+        $response = $this->putRequest("/v1/companies/$companyId/contacts/$contactId", $contact->toObject() );
+
+        if ($response->getStatusCode() == 200)
+            return Contact::parse(json_decode( $response->getBody() ) );
+        else
+            return null;
+    }
+
 }
diff --git a/src/Responses/Contact.php b/src/Responses/Contact.php
index f55ea55..8769a06 100644
--- a/src/Responses/Contact.php
+++ b/src/Responses/Contact.php
@@ -32,16 +32,37 @@ public function createContact()
     {
         return [
             'firstName' => $this->getFirstName(),
-            'lastName' => $this->getLastName(),
-            'email' => $this->getEmail(),
-            'phone' => $this->getPhone(),
-            'types' => $this->getTypes()
+            'lastName'  => $this->getLastName(),
+            'email'     => $this->getEmail(),
+            'phone'     => $this->getPhone(),
+            'types'     => $this->getTypes()
         ];
     }
 
+    /**
+     * @return \stdClass
+     */
     public function toObject(): \stdClass
     {
-        return (object)$this->createContact();
+        $contact = new \stdClass;
+
+        $contact->firstName = $this->firstName;
+        $contact->lastName  = $this->lastName;
+        $contact->email     = $this->email;
+        $contact->phone     = $this->phone;
+
+        $types = $this->types->getTypes();
+
+        foreach( $types as $type ) {
+            $newType = new \stdClass;
+
+            $newType->type    = $type["type"];
+            $newType->primary = $type["primary"];
+
+            $contact->types[] = $newType;
+        }
+
+        return $contact;
     }
 
     /**
diff --git a/src/Responses/ContactType.php b/src/Responses/ContactType.php
index 24a9ab3..c9a2744 100644
--- a/src/Responses/ContactType.php
+++ b/src/Responses/ContactType.php
@@ -6,7 +6,7 @@
 {
     const CONTACTTYPE_ADMIN = "Admin";
 
-    const CONTACTTYPE_TECH = "Tech";
+    const CONTACTTYPE_TECH = "Technical";
 
     const CONTACTTYPE_BILLING = "Billing";
 
@@ -72,30 +72,30 @@ public function isPrimaryAdmin(): bool
         return isset( $this->types[self::CONTACTTYPE_ADMIN] ) && $this->types[self::CONTACTTYPE_ADMIN] == true;
     }
 
-    public function enableTech( bool $primary = false )
+    public function enableTechnical( bool $primary = false )
     {
         $this->types[self::CONTACTTYPE_TECH] = $primary;
     }
 
-    public function disableTech( )
+    public function disableTechnical( )
     {
         if( isset( $this->types[self::CONTACTTYPE_TECH] ) )
             unset( $this->types[self::CONTACTTYPE_TECH]);
     }
 
-    public function isTech(): bool
+    public function isTechnical(): bool
     {
         return isset( $this->types[self::CONTACTTYPE_TECH] );
     }
 
-    public function isPrimaryTech(): bool
+    public function isPrimaryTechnical(): bool
     {
         return isset( $this->types[self::CONTACTTYPE_TECH] ) && $this->types[self::CONTACTTYPE_TECH] == true;
     }
 
     public function enableBilling( bool $primary = false )
     {
-        $this->types[self::CONTACTTYPE_TECH] = $primary;
+        $this->types[self::CONTACTTYPE_BILLING] = $primary;
     }
 
     public function disableBilling( )