diff --git a/src/liborcus/info.cpp b/src/liborcus/info.cpp
index ae571f5..539ce18 100644
--- a/src/liborcus/info.cpp
+++ b/src/liborcus/info.cpp
@@ -7,7 +7,9 @@

 #include "orcus/info.hpp"

-#include "constants.inl"
+#define ORCUS_MAJOR_VERSION 0
+#define ORCUS_MINOR_VERSION 21
+#define ORCUS_MICRO_VERSION 0

 namespace orcus {

