diff --git a/configure.ac b/configure.ac
index 99daef279..68cc8e281 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 
-AC_INIT(gtk-sharp, 3.18.2)
+AC_INIT(gtk-sharp, 3.18.5)
 
 AM_INIT_AUTOMAKE([1.10 no-dist-gzip dist-bzip2 tar-ustar foreign])
 AC_CANONICAL_HOST
@@ -7,7 +7,7 @@ AC_CONFIG_HEADERS(config.h)
 AM_MAINTAINER_MODE
 AC_CONFIG_MACRO_DIR([m4])
 
-API_VERSION=3.18.0.0
+API_VERSION=3.0.0.0
 AC_SUBST(API_VERSION)
 CAIRO_API_VERSION=1.12.0.0
 AC_SUBST(CAIRO_API_VERSION)