diff --git a/build.sbt b/build.sbt
index d1df3940..e3ab6af0 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,7 +1,7 @@
 name := """SysML-v2-API-Services"""
 organization := "org.omg"
 
-version := "2022-03"
+version := "2022-04-m1"
 
 javacOptions ++= Seq("-source", "11", "-target", "11", "-Xlint")