diff --git a/requirements.txt b/requirements.txt
index 4440cda..4adc225 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,5 +7,5 @@ pytest
 -e ./zulip
 -e ./zulip_bots
 -e ./zulip_botserver
--e git+https://github.com/zulip/zulint@ec36c29cd0be07e30241fa0a5172dc594fcc7bb1#egg=zulint==1.0.0
+-e git+https://github.com/zulip/zulint@639c0d34c23ac559ef0f7b9510cf95f73f6d0eb9#egg=zulint==1.0.0
 mypy==0.770