diff --git a/src/requirements/production.txt b/src/requirements/production.txt
index 7a34c7e5a..4577694d3 100644
--- a/src/requirements/production.txt
+++ b/src/requirements/production.txt
@@ -2,9 +2,9 @@
 Django>=1.8,<1.9
 python-dateutil>=2.4,<2.5
 pytz
-django-bootstrap3>=5.4,<5.5
+django-bootstrap3>=6.1,<6.2
 -e git+https://github.com/pretix/django-formset-js.git@master#egg=django-formset-js
--e git+https://github.com/pretix/cleanerversion.git@pretix#egg=cleanerversion
+cleanerversion>=1.5,<1.6
 django-compressor>=1.5,<2.0
 reportlab>=3.1.44,<3.2
 -e git+https://github.com/pretix/PyPDF2.git@pretix#egg=PyPDF2