diff --git a/CMakeLists.txt b/CMakeLists.txt
index a248c02cc40..a910b1aa57f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,7 +28,7 @@ endif()
 
 enable_language(CXX)
 
-set(PROJECT_VERSION "5.0-dev")
+set(PROJECT_VERSION "4.2-dev")
 
 #
 # CMake internal vars