diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4ca6fdc1e..a7aee90bb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,7 +11,7 @@ if (POLICY CMP0042)
 endif()
 
 set(CMAKE_USER_MAKE_RULES_OVERRIDE_CXX "${CMAKE_CURRENT_SOURCE_DIR}/cmake/cxx_compiler_flags_overrides.cmake")
-project(Z3 VERSION 4.8.8.0 LANGUAGES CXX)
+project(Z3 VERSION 4.8.9.0 LANGUAGES CXX)
 
 ################################################################################
 # Project version
diff --git a/scripts/mk_project.py b/scripts/mk_project.py
index d3da0cf37..4040af0dc 100644
--- a/scripts/mk_project.py
+++ b/scripts/mk_project.py
@@ -8,7 +8,7 @@
 from mk_util import *
 
 def init_version():
-    set_version(4, 8, 8, 0)
+    set_version(4, 8, 9, 0)
     
 # Z3 Project definition
 def init_project_def():