diff --git a/project/Build.scala b/project/Build.scala
index 62fdb17e3f34..4b750c167f11 100644
--- a/project/Build.scala
+++ b/project/Build.scala
@@ -32,7 +32,7 @@ object ExposedValues extends AutoPlugin {
 
 object Build {
 
-  val baseVersion = "0.9.0"
+  val baseVersion = "0.9.0-RC1"
   val scalacVersion = "2.12.6"
 
   val dottyOrganization = "ch.epfl.lamp"