diff --git a/src/Model/Key/KeyCreated.php b/src/Model/Key/KeyCreated.php
index a0e489c..27b6143 100644
--- a/src/Model/Key/KeyCreated.php
+++ b/src/Model/Key/KeyCreated.php
@@ -14,7 +14,7 @@
 /**
  * @author Sascha-Oliver Prolic <saschaprolic@googlemail.com>
  */
-class KeyCreated implements CreatableFromArray
+final class KeyCreated implements CreatableFromArray
 {
     /**
      * @var string
diff --git a/src/Model/Key/KeySearchResult.php b/src/Model/Key/KeySearchResult.php
index 3c1980c..0a752ab 100644
--- a/src/Model/Key/KeySearchResult.php
+++ b/src/Model/Key/KeySearchResult.php
@@ -14,7 +14,7 @@
 /**
  * @author Sascha-Oliver Prolic <saschaprolic@googlemail.com>
  */
-class KeySearchResult implements CreatableFromArray
+final class KeySearchResult implements CreatableFromArray
 {
     /**
      * @var string
diff --git a/src/Model/Key/KeySearchResults.php b/src/Model/Key/KeySearchResults.php
index e3e4d32..fe655f1 100644
--- a/src/Model/Key/KeySearchResults.php
+++ b/src/Model/Key/KeySearchResults.php
@@ -14,7 +14,7 @@
 /**
  * @author Sascha-Oliver Prolic <saschaprolic@googlemail.com>
  */
-class KeySearchResults implements CreatableFromArray, \IteratorAggregate
+final class KeySearchResults implements CreatableFromArray, \IteratorAggregate
 {
     /**
      * @var KeySearchResult[]
diff --git a/src/Model/Locale/Uploaded.php b/src/Model/Locale/Uploaded.php
index 226801b..17e9eb1 100644
--- a/src/Model/Locale/Uploaded.php
+++ b/src/Model/Locale/Uploaded.php
@@ -9,7 +9,7 @@
 /**
  * @author Sascha-Oliver Prolic <saschaprolic@googlemail.com>
  */
-class Uploaded implements CreatableFromArray
+final class Uploaded implements CreatableFromArray
 {
     /**
      * @var string
diff --git a/src/Model/Translation/Index.php b/src/Model/Translation/Index.php
index 14f02bf..049f90f 100644
--- a/src/Model/Translation/Index.php
+++ b/src/Model/Translation/Index.php
@@ -14,7 +14,7 @@
 /**
  * @author Sascha-Oliver Prolic <saschaprolic@googlemail.com>
  */
-class Index implements CreatableFromArray, \IteratorAggregate
+final class Index implements CreatableFromArray, \IteratorAggregate
 {
     /**
      * @var Translation[]
diff --git a/src/Model/Translation/Key.php b/src/Model/Translation/Key.php
index 282dc49..193ffb6 100644
--- a/src/Model/Translation/Key.php
+++ b/src/Model/Translation/Key.php
@@ -14,7 +14,7 @@
 /**
  * @author Sascha-Oliver Prolic <saschaprolic@googlemail.com>
  */
-class Key implements CreatableFromArray
+final class Key implements CreatableFromArray
 {
     /**
      * @var string
diff --git a/src/Model/Translation/Locale.php b/src/Model/Translation/Locale.php
index 590d8d9..2017940 100644
--- a/src/Model/Translation/Locale.php
+++ b/src/Model/Translation/Locale.php
@@ -14,7 +14,7 @@
 /**
  * @author Sascha-Oliver Prolic <saschaprolic@googlemail.com>
  */
-class Locale implements CreatableFromArray
+final class Locale implements CreatableFromArray
 {
     /**
      * @var string
diff --git a/src/Model/Translation/Translation.php b/src/Model/Translation/Translation.php
index 7801a41..fa46c02 100644
--- a/src/Model/Translation/Translation.php
+++ b/src/Model/Translation/Translation.php
@@ -14,7 +14,7 @@
 /**
  * @author Sascha-Oliver Prolic <saschaprolic@googlemail.com>
  */
-class Translation implements CreatableFromArray
+final class Translation implements CreatableFromArray
 {
     /**
      * @var string
diff --git a/src/Model/Translation/TranslationCreated.php b/src/Model/Translation/TranslationCreated.php
index 1f07332..7169f54 100644
--- a/src/Model/Translation/TranslationCreated.php
+++ b/src/Model/Translation/TranslationCreated.php
@@ -14,7 +14,7 @@
 /**
  * @author Sascha-Oliver Prolic <saschaprolic@googlemail.com>
  */
-class TranslationCreated implements CreatableFromArray
+final class TranslationCreated implements CreatableFromArray
 {
     /**
      * @var string
diff --git a/src/Model/Translation/TranslationUpdated.php b/src/Model/Translation/TranslationUpdated.php
index 839aa6b..3ec8c95 100644
--- a/src/Model/Translation/TranslationUpdated.php
+++ b/src/Model/Translation/TranslationUpdated.php
@@ -14,7 +14,7 @@
 /**
  * @author Sascha-Oliver Prolic <saschaprolic@googlemail.com>
  */
-class TranslationUpdated implements CreatableFromArray
+final class TranslationUpdated implements CreatableFromArray
 {
     /**
      * @var string
diff --git a/src/Model/Translation/User.php b/src/Model/Translation/User.php
index b44b48c..79829b0 100644
--- a/src/Model/Translation/User.php
+++ b/src/Model/Translation/User.php
@@ -14,7 +14,7 @@
 /**
  * @author Sascha-Oliver Prolic <saschaprolic@googlemail.com>
  */
-class User implements CreatableFromArray
+final class User implements CreatableFromArray
 {
     /**
      * @var string