diff --git a/src/ifcparse/IfcParse.h b/src/ifcparse/IfcParse.h
index 3274ea7a1a..b46408a448 100644
--- a/src/ifcparse/IfcParse.h
+++ b/src/ifcparse/IfcParse.h
@@ -27,7 +27,7 @@
 #ifndef IFCPARSE_H
 #define IFCPARSE_H
 
-#define IFCOPENSHELL_VERSION "0.5.0-dev"
+#define IFCOPENSHELL_VERSION "0.6.0a0"
 
 #include <string>
 #include <sstream>