diff --git a/pom.xml b/pom.xml
index cd5a6eb..39cd408 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,7 +8,7 @@
     <artifactId>gemcrush</artifactId>
     <name>GemCrush</name>
     <packaging>jar</packaging>
-    <version>4.0.0-beta</version>
+    <version>4.0.0-beta.2</version>
     <description>Match items and let it rain gems</description>
 
     <distributionManagement>
@@ -96,6 +96,6 @@
         <maven.compiler.target>1.8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <gamebox.version>3.0.0-beta.2</gamebox.version>
+        <gamebox.version>3.0.0-beta.3</gamebox.version>
     </properties>
 </project>
diff --git a/src/main/resources/language/gemcrush/lang_de.yml b/src/main/resources/language/gemcrush/de_DE.yml
similarity index 100%
rename from src/main/resources/language/gemcrush/lang_de.yml
rename to src/main/resources/language/gemcrush/de_DE.yml
diff --git a/src/main/resources/language/gemcrush/lang_en.yml b/src/main/resources/language/gemcrush/en_GB.yml
similarity index 100%
rename from src/main/resources/language/gemcrush/lang_en.yml
rename to src/main/resources/language/gemcrush/en_GB.yml
diff --git a/src/main/resources/language/gemcrush/lang_es.yml b/src/main/resources/language/gemcrush/es_ES.yml
similarity index 100%
rename from src/main/resources/language/gemcrush/lang_es.yml
rename to src/main/resources/language/gemcrush/es_ES.yml
diff --git a/src/main/resources/language/gemcrush/lang_zh-cn.yml b/src/main/resources/language/gemcrush/zh_CN.yml
similarity index 100%
rename from src/main/resources/language/gemcrush/lang_zh-cn.yml
rename to src/main/resources/language/gemcrush/zh_CN.yml