diff --git a/puppet/modules/colab/manifests/requirements.pp b/puppet/modules/colab/manifests/requirements.pp
index a0a89ff..8988f3e 100644
--- a/puppet/modules/colab/manifests/requirements.pp
+++ b/puppet/modules/colab/manifests/requirements.pp
@@ -6,6 +6,10 @@ class colab::requirements {
     ensure => installed,
   }
 
+  package { 'mercurial':
+    ensure => installed,
+  }
+
   # req to install python pkgs
   package { 'python-pip':
     ensure => installed,
--
libgit2 0.21.2