diff --git a/project/Build.scala b/project/Build.scala
index 8520a5de6839..c0ed5ed241d3 100644
--- a/project/Build.scala
+++ b/project/Build.scala
@@ -58,9 +58,9 @@ object DottyJSPlugin extends AutoPlugin {
 }
 
 object Build {
-  val referenceVersion = "3.1.0-RC1"
+  val referenceVersion = "3.1.1-RC1"
 
-  val baseVersion = "3.1.1-RC1"
+  val baseVersion = "3.1.2-RC1"
 
   // Versions used by the vscode extension to create a new project
   // This should be the latest published releases.
@@ -76,7 +76,7 @@ object Build {
    *  set to 3.1.3. If it is going to be 3.1.0, it must be set to the latest
    *  3.0.x release.
    */
-  val previousDottyVersion = "3.1.0-RC3"
+  val previousDottyVersion = "3.1.0"
 
   object CompatMode {
     final val BinaryCompatible = 0