diff --git a/CHANGELOG.md b/CHANGELOG.md
index e0c3650..d9361cd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,21 @@
+## 0.3.0 - 2017-03-18
+
+### Changed
+* module config key from `dot_ems` to `dot_mapper`. Bumped version due to BC break
+
+### Added
+* Nothing
+
+### Deprecated
+* Nothing
+
+### Removed
+* Nothing
+
+### Fixed
+* Nothing
+
+
 ## 0.2.0 - 2017-03-15
 
 ### Changed
diff --git a/ems.global.php.dist b/ems.global.php.dist
index f4ee14a..609adf0 100644
--- a/ems.global.php.dist
+++ b/ems.global.php.dist
@@ -1,7 +1,7 @@
 <?php
 
 return [
-    'dot_ems' => [
+    'dot_mapper' => [
 
         'default_adapter' => 'database',
 
diff --git a/src/ConfigProvider.php b/src/ConfigProvider.php
index 462454c..5f5cea3 100644
--- a/src/ConfigProvider.php
+++ b/src/ConfigProvider.php
@@ -18,7 +18,7 @@ public function __invoke()
         return [
             'dependencies' => $this->getDependencyConfig(),
 
-            'dot_ems' => [
+            'dot_mapper' => [
 
                 'mapper_manager' => [
 
diff --git a/src/Factory/MapperManagerFactory.php b/src/Factory/MapperManagerFactory.php
index 3d325e9..57a5ff3 100644
--- a/src/Factory/MapperManagerFactory.php
+++ b/src/Factory/MapperManagerFactory.php
@@ -20,6 +20,6 @@ class MapperManagerFactory
 {
     public function __invoke(ContainerInterface $container)
     {
-        return new MapperManager($container, $container->get('config')['dot_ems']);
+        return new MapperManager($container, $container->get('config')['dot_mapper']);
     }
 }