diff --git a/api/setup.py b/api/setup.py
index 089b7b3635..48a5b79fb9 100644
--- a/api/setup.py
+++ b/api/setup.py
@@ -49,6 +49,7 @@ setuptools_info = dict(
     install_requires=['requests>=0.12.1',
                       'simplejson',
                       'six',
+                      'typing',
     ],
 )
 
diff --git a/puppet/zulip/manifests/base.pp b/puppet/zulip/manifests/base.pp
index c71686046d..40a226a848 100644
--- a/puppet/zulip/manifests/base.pp
+++ b/puppet/zulip/manifests/base.pp
@@ -5,6 +5,7 @@ class zulip::base {
                      # Dependencies of our API
                      "python-requests",
                      "python-simplejson",
+                     "python-typing",
                      # For development/debugging convenience
                      "ipython",
                      # Used in scripts
diff --git a/requirements.txt b/requirements.txt
index 16537b0912..1b95fa171e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -57,6 +57,7 @@ smmap==0.9.0
 sockjs-tornado==1.0.1
 sourcemap==0.1.8
 tornado==2.4.1
+typing==3.5.0.1
 python-twitter==1.1
 ujson==1.33
 uritemplate==0.6