diff --git a/configure.ac b/configure.ac
index dbad6f4..326bdb4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -12,8 +12,8 @@ m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])],
                             [AC_SUBST([AM_DEFAULT_VERBOSITY], [1])])
 
 LIBBSD_ABI_MAJOR=0
-LIBBSD_ABI_MINOR=5
-LIBBSD_ABI_PATCH=2
+LIBBSD_ABI_MINOR=6
+LIBBSD_ABI_PATCH=0
 
 LIBBSD_ABI="$LIBBSD_ABI_MAJOR:$LIBBSD_ABI_MINOR:$LIBBSD_ABI_PATCH"
 AC_SUBST([LIBBSD_ABI])