diff --git a/setup.py b/setup.py
index fccda9d..968ebce 100644
--- a/setup.py
+++ b/setup.py
@@ -36,6 +36,7 @@ setup(
         'click-log',
         'click-threading',
         'requests',
+        'requests-oauthlib',
         'lxml>=3.0',
         # https://github.com/sigmavirus24/requests-toolbelt/pull/28
         'requests_toolbelt>=0.4.0',