diff --git a/configure.ac b/configure.ac
index ecf1b1ada..37a83ef39 100644
--- a/configure.ac
+++ b/configure.ac
@@ -7,7 +7,7 @@ AC_CONFIG_HEADERS(config.h)
 AM_MAINTAINER_MODE
 AC_CONFIG_MACRO_DIR([m4])
 
-API_VERSION=3.12.0.0
+API_VERSION=3.0.0.0
 AC_SUBST(API_VERSION)
 CAIRO_API_VERSION=1.12.0.0
 AC_SUBST(CAIRO_API_VERSION)