diff --git a/project/Build.scala b/project/Build.scala
index e3190b1051fd..a629410545c4 100644
--- a/project/Build.scala
+++ b/project/Build.scala
@@ -57,7 +57,7 @@ object DottyJSPlugin extends AutoPlugin {
 object Build {
   import ScaladocConfigs._
 
-  val referenceVersion = "3.1.3-RC3"
+  val referenceVersion = "3.1.3-RC4"
 
   val baseVersion = "3.2.0-RC1"