diff --git a/requirements.txt b/requirements.txt
index 50c42ca0..5e34629e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 Django>=1.11,<2
-django-bootstrap-form>=3.1,<4
+django-bootstrap-form>=3.3,<4
 email-reply-parser
 django-markdown-deux
 simplejson