diff --git a/hooks/horizon_utils.py b/hooks/horizon_utils.py
index 37d906fd..11f6822d 100644
--- a/hooks/horizon_utils.py
+++ b/hooks/horizon_utils.py
@@ -53,8 +53,12 @@ BASE_PACKAGES = [
 BASE_GIT_PACKAGES = [
     'apache2',
     'libapache2-mod-wsgi',
+    'libffi-dev',
+    'libpcre3-dev',
+    'libssl-dev',
     'libxml2-dev',
     'libxslt1-dev',
+    'libyaml-dev',
     'python-dev',
     'python-pip',
     'python-setuptools',