diff --git a/clatd.spec b/clatd.spec
index dea2f94..ca7f5c9 100644
--- a/clatd.spec
+++ b/clatd.spec
@@ -3,7 +3,7 @@
 
 Name:		clatd
 Version:	1.4
-Release:	5%{?dist}
+Release:	6%{?dist}
 Summary:	CLAT / SIIT-DC Edge Relay implementation for Linux
 
 Group:		System Environment/Daemons
@@ -33,6 +33,7 @@ Requires:	perl-interpreter
 Requires:	perl(Net::DNS)
 Requires:	perl(IO::Socket::INET6)
 Requires:	perl(File::Temp)
+Requires:	perl(Net::IP)
 
 %if 0%{?fedora} >= 18 || 0%{?rhel} >=7
 Requires(post):		systemd
@@ -108,6 +109,10 @@ install -p -D -m0644 scripts/%{name}.upstart %{buildroot}%{_sysconfdir}/init/%{n
 
 
 %changelog
+* Tue Sep 26 2017 Ingvar Hagelund <ingvar@redpill-linpro.com> - 1.4-6
+- Readded requirement of Net::IP. By some reason, it is not added
+  automatically in mock builds. Closes bz #1494867
+
 * Wed Jul 26 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.4-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild