diff --git a/.gitignore b/.gitignore
index efb0c49..c98c8ab 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,4 @@ mercurial-1.6.2.tar.gz
 /mercurial-1.9.3.tar.gz
 /mercurial-2.0.tar.gz
 /mercurial-2.0.2.tar.gz
+/mercurial-2.1-rc.tar.gz
diff --git a/sources b/sources
index 77554fb..3f0284b 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-226b45f19bebf73446fcd73ccb678c52  mercurial-2.0.2.tar.gz
+2b8303f7eaeb7e34df132dc2e3420e7a  mercurial-2.1-rc.tar.gz