diff --git a/configure.ac b/configure.ac
index 483c2964..b2c066a2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -79,7 +79,7 @@ GETDNS_COMPILATION_COMMENT="AC_PACKAGE_NAME $GETDNS_VERSION configured on $CURRE
 # getdns-0.9.0 had libversion 5:0:4
 # getdns-1.0.0 will have libversion 5:1:4
 #
-GETDNS_LIBVERSION=5:0:4
+GETDNS_LIBVERSION=5:1:4
 
 AC_SUBST(GETDNS_COMPILATION_COMMENT)
 AC_SUBST(GETDNS_LIBVERSION)