diff --git a/CMakeLists.txt b/CMakeLists.txt
index b5330130..4e8c5229 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,7 +3,7 @@ project (urdfdom CXX C)
 
 set (URDF_MAJOR_VERSION 4)
 set (URDF_MINOR_VERSION 0)
-set (URDF_PATCH_VERSION 0)
+set (URDF_PATCH_VERSION 1)
 
 set (URDF_VERSION ${URDF_MAJOR_VERSION}.${URDF_MINOR_VERSION}.${URDF_PATCH_VERSION})
 set (URDF_MAJOR_MINOR_VERSION ${URDF_MAJOR_VERSION}.${URDF_MINOR_VERSION})