diff --git a/configure.ac b/configure.ac
index 05c14fbe1..99daef279 100644
--- a/configure.ac
+++ b/configure.ac
@@ -14,7 +14,7 @@ AC_SUBST(CAIRO_API_VERSION)
 POLICY_VERSIONS=""
 AC_SUBST(POLICY_VERSIONS)
 
-PACKAGE_VERSION=gtk-sharp-3.18
+PACKAGE_VERSION=gtk-sharp-3.0
 AC_SUBST(PACKAGE_VERSION)
 
 WIN64DEFINES=