diff --git a/pom.xml b/pom.xml
index ca3ce1f7899115a3a6c15c7b286d66fa517b818a..ce4204abd8d6bdbe456c6f009408d2523cf1888e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -43,7 +43,7 @@
     </distributionManagement>
 
     <properties>
-        <revision>3.0.3</revision>
+        <revision>3.0.4-SNAPSHOT</revision>
         <java.version>11</java.version>
         <!-- 2th part versions -->
         <schbrain-apollo.version>${revision}</schbrain-apollo.version>