diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4d0de980..f9824f25 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,7 +15,7 @@ list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake )
 #
 set(GETTEXT_PACKAGE "geary")
 set(RELEASE_NAME "Lightweight email client for GNOME.")
-set(VERSION "0.4.1")
+set(VERSION "0.4.1+trunk")
 set(VERSION_INFO "Release")
 set(LANGUAGE_SUPPORT_DIRECTORY ${CMAKE_INSTALL_PREFIX}/share/locale)