diff --git a/libpkgconf/libpkgconf.h b/libpkgconf/libpkgconf.h
index 7169235..3813ea5 100644
--- a/libpkgconf/libpkgconf.h
+++ b/libpkgconf/libpkgconf.h
@@ -74,6 +74,9 @@ typedef struct pkgconf_cross_personality_ pkgconf_cross_personality_t;
 #define PKGCONF_FOREACH_LIST_ENTRY_REVERSE(tail, value) \
 	for ((value) = (tail); (value) != NULL; (value) = (value)->prev)
 
+#define LIBPKGCONF_VERSION	10600
+#define LIBPKGCONF_VERSION_STR	"1.6.0"
+
 struct pkgconf_fragment_ {
 	pkgconf_node_t iter;