diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6b2a79e241be9c0eba6d17d1f401f1e7bf722178..fca24c6e761abcab28ce38333eff1c7b6d62cb47 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@
 
 # Set up the project.
 cmake_minimum_required( VERSION 3.1 )
-project( "GeoModelIO" VERSION 3.1.2 LANGUAGES CXX )
+project( "GeoModelIO" VERSION 3.1.3 LANGUAGES CXX )
 
 # Set default build options.
 set( CMAKE_BUILD_TYPE "Release" CACHE STRING "CMake build mode to use" )