diff --git a/project/Build.scala b/project/Build.scala
index 97c5cd9beaf5..eb188f2f2c1c 100644
--- a/project/Build.scala
+++ b/project/Build.scala
@@ -53,7 +53,7 @@ object MyScalaJSPlugin extends AutoPlugin {
 }
 
 object Build {
-  val referenceVersion = "0.27.0-bin-20200819-6e6f67b-NIGHTLY"
+  val referenceVersion = "0.27.0-RC1"
 
   val baseVersion = "0.28.0"
   val baseSbtDottyVersion = "0.4.2"