diff --git a/certbot-nginx/local-oldest-requirements.txt b/certbot-nginx/local-oldest-requirements.txt
index 8ed2d7539..65f5a758e 100644
--- a/certbot-nginx/local-oldest-requirements.txt
+++ b/certbot-nginx/local-oldest-requirements.txt
@@ -1,2 +1,2 @@
--e acme[dev]/
+-e acme[dev]
 -e .[dev]