diff --git a/requirements.txt b/requirements.txt
index 3f7e718..71f525d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,6 +15,7 @@ lmdb==0.89
 lxml==3.6.0
 Mako==1.0.3
 MarkupSafe==0.23
+Mastodon.py==1.2.2
 mock==1.3.0
 olefile==0.44
 pbr==1.10.0