diff --git a/Pipfile b/Pipfile
index 10d7ec29..fa109b2c 100644
--- a/Pipfile
+++ b/Pipfile
@@ -21,6 +21,7 @@ requests = "*"
 apache-libcloud = "*"
 lockfile = "*"
 defusedxml = "*"
+rq-scheduler = ">=0.8.3,<0.9"
 "flask-rq2" = "*"
 
 [dev-packages]