diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7e6e9d2f6..268676fa9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,7 +9,7 @@ endif()
 project(OSRM C CXX)
 set(OSRM_VERSION_MAJOR 4)
 set(OSRM_VERSION_MINOR 9)
-set(OSRM_VERSION_PATCH 0)
+set(OSRM_VERSION_PATCH 1)
 
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 include(CheckCXXCompilerFlag)