diff --git a/CMakeLists.txt b/CMakeLists.txt
index c86aff85b..33f40688d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,12 +18,12 @@ set(CLANG_MINIMUM_VERSION "7.0.1")
 
 # You should not need to edit these manually, use util/bump_version.sh
 set(VERSION_MAJOR 5)
-set(VERSION_MINOR 8)
+set(VERSION_MINOR 9)
 set(VERSION_PATCH 0)
 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)
diff --git a/android/build.gradle b/android/build.gradle
index 08a6cc0cb..6aead7aba 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -1,7 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 project.ext.set("versionMajor", 5)      // Version Major
-project.ext.set("versionMinor", 8)      // Version Minor
+project.ext.set("versionMinor", 9)      // Version Minor
 project.ext.set("versionPatch", 0)      // Version Patch
 // ^ keep in sync with cmake
 project.ext.set("versionCode", 46)      // Android Version Code
diff --git a/doc/client_lua_api.md b/doc/client_lua_api.md
index 2411d8fc1..30c6d1f82 100644
--- a/doc/client_lua_api.md
+++ b/doc/client_lua_api.md
@@ -1,4 +1,4 @@
-Minetest Lua Client Modding API Reference 5.8.0
+Minetest Lua Client Modding API Reference 5.9.0
 ================================================
 * More information at <http://www.minetest.net/>
 * Developer Wiki: <http://dev.minetest.net/>
diff --git a/doc/menu_lua_api.md b/doc/menu_lua_api.md
index 1eec75228..0fbca092a 100644
--- a/doc/menu_lua_api.md
+++ b/doc/menu_lua_api.md
@@ -1,4 +1,4 @@
-Minetest Lua Mainmenu API Reference 5.8.0
+Minetest Lua Mainmenu API Reference 5.9.0
 =========================================
 
 Introduction