diff --git a/include/mapnik/version.hpp b/include/mapnik/version.hpp
index 2cb80493a..1260f9a1f 100644
--- a/include/mapnik/version.hpp
+++ b/include/mapnik/version.hpp
@@ -27,7 +27,7 @@
 
 #define MAPNIK_MAJOR_VERSION 4
 #define MAPNIK_MINOR_VERSION 0
-#define MAPNIK_PATCH_VERSION 0
+#define MAPNIK_PATCH_VERSION 1
 
 #define MAPNIK_VERSION MAPNIK_VERSION_ENCODE(MAPNIK_MAJOR_VERSION, MAPNIK_MINOR_VERSION, MAPNIK_PATCH_VERSION)