diff --git a/CMakeLists.txt b/CMakeLists.txt
index 36528d022..4fcb9506a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,11 +17,11 @@ set(CLANG_MINIMUM_VERSION "3.4")
 # Also remember to set PROTOCOL_VERSION in network/networkprotocol.h when releasing
 set(VERSION_MAJOR 5)
 set(VERSION_MINOR 1)
-set(VERSION_PATCH 0)
+set(VERSION_PATCH 1)
 set(VERSION_EXTRA "" CACHE STRING "Stuff to append to version string")
 
 # Change to false for releases
-set(DEVELOPMENT_BUILD FALSE)
+set(DEVELOPMENT_BUILD TRUE)
 
 set(VERSION_STRING "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
 if(VERSION_EXTRA)
@@ -164,9 +164,9 @@ if(RUN_IN_PLACE)
 	install(FILES "${CMAKE_CURRENT_SOURCE_DIR}/textures/texture_packs_here.txt" DESTINATION "${SHAREDIR}/textures")
 endif()
 
-install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/games/minetest_game" DESTINATION "${SHAREDIR}/games/" 
+install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/games/minetest_game" DESTINATION "${SHAREDIR}/games/"
 	COMPONENT "SUBGAME_MINETEST_GAME" OPTIONAL PATTERN ".git*" EXCLUDE )
-install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/games/minimal" DESTINATION "${SHAREDIR}/games/" 
+install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/games/minimal" DESTINATION "${SHAREDIR}/games/"
 	COMPONENT "SUBGAME_MINIMAL" OPTIONAL PATTERN ".git*" EXCLUDE )
 
 if(BUILD_CLIENT)
@@ -284,12 +284,12 @@ if(WIN32)
 		set(CPACK_CREATE_DESKTOP_LINKS ${PROJECT_NAME})
 
 		set(CPACK_WIX_PRODUCT_ICON "${CMAKE_CURRENT_SOURCE_DIR}/misc/minetest-icon.ico")
-		# Supported languages can be found at 
+		# Supported languages can be found at
 		# http://wixtoolset.org/documentation/manual/v3/wixui/wixui_localization.html
 		#set(CPACK_WIX_CULTURES "ar-SA,bg-BG,ca-ES,hr-HR,cs-CZ,da-DK,nl-NL,en-US,et-EE,fi-FI,fr-FR,de-DE")
 		set(CPACK_WIX_UI_BANNER "${CMAKE_CURRENT_SOURCE_DIR}/misc/CPACK_WIX_UI_BANNER.BMP")
 		set(CPACK_WIX_UI_DIALOG "${CMAKE_CURRENT_SOURCE_DIR}/misc/CPACK_WIX_UI_DIALOG.BMP")
-		
+
 		set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/doc/lgpl-2.1.txt")
 
 		# The correct way would be to include both x32 and x64 into one installer
@@ -325,4 +325,3 @@ if(DOXYGEN_FOUND)
 		COMMENT "Generating API documentation with Doxygen" VERBATIM
 	)
 endif()
-