--- a/CMakeLists.txt	Fri Dec 14 00:37:13 2018 +0100
+++ b/CMakeLists.txt	Fri Dec 14 00:47:23 2018 +0100
@@ -86,7 +86,11 @@
 set(CPACK_PACKAGE_VERSION_MINOR 9)
 set(CPACK_PACKAGE_VERSION_PATCH 25)
 set(HEDGEWARS_PROTO_VER 58)
-set(HEDGEWARS_VERSION "${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}")
+if((CMAKE_BUILD_TYPE MATCHES "RELEASE") OR (CMAKE_BUILD_TYPE MATCHES "RELWITHDEBUGINFO"))
+    set(HEDGEWARS_VERSION "${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}")
+else()
+    set(HEDGEWARS_VERSION "${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}-dev")
+endif()
 include(${CMAKE_MODULE_PATH}/revinfo.cmake)
 
 message(STATUS "Building ${HEDGEWARS_VERSION}-r${HEDGEWARS_REVISION} (${HEDGEWARS_HASH})")

--- a/ChangeLog.txt	Fri Dec 14 00:37:13 2018 +0100
+++ b/ChangeLog.txt	Fri Dec 14 00:47:23 2018 +0100
@@ -1,6 +1,6 @@
 + features
 * bugfixes
-=============== 1.0.0 (unreleased) =================
+============== 1.0.0-dev (unreleased) ==============
  + New chat command: “/help room” (shows room chat commands within the game)
  + Colorize switching arrows, pointing arrow and target cross in clan color
  + Longer delays between turns so its easier to see damage and messages