diff --git a/configure.ac b/configure.ac
index 863fb8f4..a254bbe5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 define(pkg_major, 1)
-define(pkg_minor, 2)
+define(pkg_minor, 2.1)
 define(pkg_extra, )
 define(pkg_maintainer, libunwind-devel@nongnu.org)
 define(mkvers, $1.$2$3)