latestVersion in ThisBuild := "0.13.0-RC1"

unreleasedModuleNames in ThisBuild := Set()

binaryCompatibleVersions in ThisBuild := Set(
  "0.13.0-RC1"
)

latestVersion in ThisBuild := "0.12.1"

unreleasedModuleNames in ThisBuild := Set()

binaryCompatibleVersions in ThisBuild := Set()

--- 
+++ 
@@ -1,5 +1,7 @@
-latestVersion in ThisBuild := "0.12.1"
+latestVersion in ThisBuild := "0.13.0-RC1"
 
 unreleasedModuleNames in ThisBuild := Set()
 
-binaryCompatibleVersions in ThisBuild := Set()
+binaryCompatibleVersions in ThisBuild := Set(
+  "0.13.0-RC1"
+)
Set latest version to 0.13.0-RC1
