diff --git a/postfix.changes b/postfix.changes
index 104d796..8d507c5 100644
--- a/postfix.changes
+++ b/postfix.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Aug 17 08:56:15 CEST 2017 - kukuk@suse.de
+
+- Add libnsl-devel build requires for glibc obsoleting libnsl
+
 -------------------------------------------------------------------
 Thu Jul 27 10:31:01 UTC 2017 - varkoly@suse.com
 
diff --git a/postfix.spec b/postfix.spec
index a404671..e0422a1 100644
--- a/postfix.spec
+++ b/postfix.spec
@@ -89,6 +89,7 @@ BuildRequires:  libopenssl-devel
 BuildRequires:  lmdb-devel
 %endif
 BuildRequires:  libicu-devel
+BuildRequires:  libnsl-devel
 BuildRequires:  mysql-devel
 BuildRequires:  openldap2-devel
 BuildRequires:  pcre-devel