diff --git a/requirements.txt b/requirements.txt
index fb4d7be4..a3c3527e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ requests
 oauthlib
 requests-oauthlib
 requests-toolbelt
-pypubsub==3.3.0
+pypubsub
 pygeocoder
 arrow
 python-dateutil