diff --git a/.isort.cfg b/.isort.cfg
index 86199fdc497d3b3b5ce9adf3aee776a4d8ba8522..286307abf4cb88b2aef69f988098297ffc8ca943 100644
--- a/.isort.cfg
+++ b/.isort.cfg
@@ -3,4 +3,4 @@
 line_length = 88
 multi_line_output = 3
 include_trailing_comma = true
-known_third_party = PyPDF2,arrow,bleach,bs4,captcha,celery,dateutil,django,django_ratelimit,environ,faker,fastjsonschema,gql,httplib2,icalendar,instaloader,markdown,modelcluster,nh3,pirates,pytest,pytz,requests,sentry_sdk,taggit,wagtail,wagtailmetadata,weasyprint,willow,yaml
+known_third_party = PyPDF2,arrow,bleach,bs4,captcha,celery,clamd,dateutil,django,django_ratelimit,environ,faker,fastjsonschema,gql,httplib2,icalendar,instaloader,markdown,modelcluster,nh3,pirates,pytest,pytz,requests,sentry_sdk,taggit,wagtail,wagtailmetadata,weasyprint,willow,yaml