diff -rupN a/configure.ac b/configure.ac
--- a/configure.ac	2016-06-03 09:15:39.472924010 -0700
+++ b/configure.ac	2016-06-03 09:16:00.126576747 -0700
@@ -292,7 +292,7 @@ OC_RULE_ADD(testsuite, TESTSUITE)
 dnl ---------------------------------------------------------------------------
 dnl Check for nanomsg library (server notification)
 dnl ---------------------------------------------------------------------------
-PKG_CHECK_MODULES(NANOMSG, libnanomsg, [], [AC_MSG_ERROR(Install nanomsg library >= 0.5)])
+PKG_CHECK_MODULES(NANOMSG, nanomsg, [], [AC_MSG_ERROR(Install nanomsg library >= 0.9)])
 AC_SUBST(NANOMSG_CFLAGS)
 AC_SUBST(NANO_LIBS)