diff --git a/requirements.txt b/requirements.txt
index dbbea6a9d..0caf10cb4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ django-x509~=1.2.0
 django-loci~=1.1.0
 django-flat-json-widget~=0.3.0
 openwisp-users @ https://github.com/openwisp/openwisp-users/tarball/master
-openwisp-utils[celery]~=1.1.0
+openwisp-utils[celery]~=1.1.1
 openwisp-notifications @ https://github.com/openwisp/openwisp-notifications/tarball/master
 openwisp-ipam @ https://github.com/openwisp/openwisp-ipam/tarball/master
 djangorestframework-gis~=1.1