diff --git a/pom.xml b/pom.xml
index 7b597a7..826f49b 100755
--- a/pom.xml
+++ b/pom.xml
@@ -1,10 +1,10 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
-  <groupId>org.zhdev</groupId>
+  <groupId>org.zhdev.griefus</groupId>
   <artifactId>griefus</artifactId>
-  <version>23.0</version>
+  <version>23.0-SNAPSHOT</version>
   <properties>
-    <project.branch></project.branch>
+    <project.branch>master</project.branch>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <skipTests>true</skipTests>
     <maven.compiler.source>11</maven.compiler.source>