diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1d095ba08..67e059953 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -44,7 +44,7 @@ include_what_you_use()  # add cmake conf option IWYU=ON to activate
 # The project version number.
 set(VERSION_MAJOR   4    CACHE STRING "Project major version number.")
 set(VERSION_MINOR   7    CACHE STRING "Project minor version number.")
-set(VERSION_PATCH   3    CACHE STRING "Project patch version number.")
+set(VERSION_PATCH   4    CACHE STRING "Project patch version number.")
 mark_as_advanced(VERSION_MAJOR VERSION_MINOR VERSION_PATCH)
 
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY build)