diff --git a/CHANGELOG.md b/CHANGELOG.md
index e7860553..8de3eb90 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 ### Removed --->
 
+## 0.5.1 - 2021-05-31
+### Fixed
+- Missing key in lang file
+
 ## 0.5.0 - 2021-05-31
 ### Added
 - Language support
diff --git a/config/package.php b/config/package.php
index c340cd66..5ed3e37d 100644
--- a/config/package.php
+++ b/config/package.php
@@ -13,6 +13,6 @@
     |
     */
 
-    'version' => '0.5.0',
+    'version' => '0.5.1',
     
     ];
diff --git a/resources/lang/en/lang.php b/resources/lang/en/lang.php
index ed7068f2..90b9b06b 100644
--- a/resources/lang/en/lang.php
+++ b/resources/lang/en/lang.php
@@ -167,6 +167,7 @@
     'back_to_product_categories' => 'back to product categories',
     'create_product_category' => 'create product category',
     'edit_product_category' => 'edit product category',
+    'add_product_category' => 'add product category',
     'product_category' => 'product category',
     'yes' => 'yes',
     'no' => 'no',