diff --git a/requirements/base.in b/requirements/base.in
index 56e150c268a4367e217df9e23eeb8e826b931b41..93d9dceef9832a61683d9116e03db4478a7e7f8d 100644
--- a/requirements/base.in
+++ b/requirements/base.in
@@ -20,3 +20,4 @@ bleach
 ipython
 weasyprint
 pypdf2
+pyyaml
diff --git a/requirements/base.txt b/requirements/base.txt
index 0d83eaf3b596bb3b2ff891e33d9bbe1e176750f2..f7fd3c61be45e3a373a61d37145a37df6be9adcd 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -181,6 +181,8 @@ pytz==2021.3
     #   django-modelcluster
     #   djangorestframework
     #   l18n
+pyyaml==6.0
+    # via -r base.in
 redis==4.1.0
     # via django-redis
 requests==2.27.1