diff --git a/project/Build.scala b/project/Build.scala
index de6c84ef5a01..3dac5b7c2907 100644
--- a/project/Build.scala
+++ b/project/Build.scala
@@ -83,7 +83,7 @@ object DottyJSPlugin extends AutoPlugin {
 object Build {
   import ScaladocConfigs._
 
-  val referenceVersion = "3.4.0-RC1"
+  val referenceVersion = "3.3.1"
 
   val baseVersion = "3.4.1-RC1"
 
diff --git a/tasty/src/dotty/tools/tasty/TastyFormat.scala b/tasty/src/dotty/tools/tasty/TastyFormat.scala
index ce3e1a852c74..e17c98234691 100644
--- a/tasty/src/dotty/tools/tasty/TastyFormat.scala
+++ b/tasty/src/dotty/tools/tasty/TastyFormat.scala
@@ -316,9 +316,9 @@ object TastyFormat {
   /** Natural number. Each increment of the `MinorVersion`, within
    *  a series declared by the `MajorVersion`, breaks forward
    *  compatibility, but remains backwards compatible, with all
-   *  preceeding `MinorVersion`.
+   *  preceding `MinorVersion`.
    */
-  final val MinorVersion: Int = 4
+  final val MinorVersion: Int = 5
 
   /** Natural Number. The `ExperimentalVersion` allows for
    *  experimentation with changes to TASTy without committing