diff --git a/project/Build.scala b/project/Build.scala
index 8da5fa4610db..fb33f286fa02 100644
--- a/project/Build.scala
+++ b/project/Build.scala
@@ -58,7 +58,7 @@ object MyScalaJSPlugin extends AutoPlugin {
 }
 
 object Build {
-  val referenceVersion = "0.18.1-bin-20190825-6960f8d-NIGHTLY"
+  val referenceVersion = "0.18.1-RC1"
 
   val baseVersion = "0.19.1"
   val baseSbtDottyVersion = "0.3.5"