diff --git a/community-build/community-projects/shapeless b/community-build/community-projects/shapeless
index de443fc103e3..dfa23f1ae4fe 160000
--- a/community-build/community-projects/shapeless
+++ b/community-build/community-projects/shapeless
@@ -1 +1 @@
-Subproject commit de443fc103e3390f7dec3f34eb995d82e46c8cb8
+Subproject commit dfa23f1ae4fef5873d396ff32213c72274948dde
diff --git a/community-build/test/scala/dotty/communitybuild/CommunityBuildTest.scala b/community-build/test/scala/dotty/communitybuild/CommunityBuildTest.scala
index ffb3474a61c0..02dbc07dd944 100644
--- a/community-build/test/scala/dotty/communitybuild/CommunityBuildTest.scala
+++ b/community-build/test/scala/dotty/communitybuild/CommunityBuildTest.scala
@@ -113,7 +113,7 @@ class CommunityBuildTestA extends CommunityBuildTest:
   // @Test def scissAsyncFile  = projects.scissAsyncFile .run()
   // @Test def scissSpan       = projects.scissSpan      .run()
   @Test def scalaSTM        = projects.scalaSTM       .run()
-  @Test def scissLucre      = projects.scissLucre     .run()
+  // @Test def scissLucre      = projects.scissLucre     .run()
 
 end CommunityBuildTestA
 
diff --git a/project/Build.scala b/project/Build.scala
index fcfb4e90a107..7bf90daa7b3e 100644
--- a/project/Build.scala
+++ b/project/Build.scala
@@ -53,9 +53,9 @@ object MyScalaJSPlugin extends AutoPlugin {
 }
 
 object Build {
-  val referenceVersion = "3.0.0-M3-bin-20201213-e8d748e-NIGHTLY"
+  val referenceVersion = "3.0.0-M3"
 
-  val baseVersion = "3.0.0-M3"
+  val baseVersion = "3.0.0-RC1"
   val baseSbtDottyVersion = "0.5.0"
 
   // Versions used by the vscode extension to create a new project