diff --git a/.abf.yml b/.abf.yml
index 62dc703..a990e2b 100644
--- a/.abf.yml
+++ b/.abf.yml
@@ -1,2 +1,3 @@
 sources:
   youtube-dl-2016.04.13.tar.gz: 04eca8a9cd074f305294a4bf75204f51ff408f97
+  youtube-dl-2016.04.13.tar.gz.sig: b87cc7f0c221d832e73ae44144c8d1964bd79e85
diff --git a/youtube-dl.spec b/youtube-dl.spec
index 832dabf..7dbb141 100644
--- a/youtube-dl.spec
+++ b/youtube-dl.spec
@@ -6,6 +6,7 @@ License:	Public Domain and GPLv2+
 Group:		Video
 Url:		http://rg3.github.com/youtube-dl/
 Source0:	https://yt-dl.org/downloads/%{version}/%{name}-%{version}.tar.gz
+Source1:	https://yt-dl.org/downloads/%{version}/%{name}-%{version}.tar.gz.sig
 BuildArch:	noarch
 BuildRequires:	pythonegg(nose)
 BuildRequires:	pythonegg(setuptools)