diff --git a/include/mapnik/version.hpp b/include/mapnik/version.hpp
index 6ed43f574..47a200e8f 100644
--- a/include/mapnik/version.hpp
+++ b/include/mapnik/version.hpp
@@ -23,7 +23,7 @@
 #ifndef MAPNIK_VERSION_HPP
 #define MAPNIK_VERSION_HPP
 
-#define MAPNIK_VERSION_IS_RELEASE 0
+#define MAPNIK_VERSION_IS_RELEASE 1
 
 #define MAPNIK_MAJOR_VERSION 3
 #define MAPNIK_MINOR_VERSION 0