diff --git a/mppProjectWithSerialization.gradle b/mppProjectWithSerialization.gradle
index 26e5929..18ff601 100644
--- a/mppProjectWithSerialization.gradle
+++ b/mppProjectWithSerialization.gradle
@@ -1,4 +1,4 @@
-project.version = "$version"
+project.version = "$version" + System.getenv("additional_version")
 project.group = "$group"
 
 // apply from: "$publishGradlePath"