diff --git a/requirements/base.txt b/requirements/base.txt
index cce6118af2..0d01328e33 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -18,7 +18,7 @@ django-reversion==5.0.4
 djangorestframework==3.14.0
 djmail==2.0.0
 factory_boy>=2.10.0,<4.0
-jsonschema==3.2.0
+jsonschema==4.21.0
 mwoauth==0.3.8
 git+https://github.com/WikipediaLibrary/python-mwoauth.git@Jsn.sherman/T332349
 pillow==10.1.0