diff --git a/requirements/common.in b/requirements/common.in
index ddf6a0e1223..336fbdaad22 100644
--- a/requirements/common.in
+++ b/requirements/common.in
@@ -3,7 +3,7 @@ gunicorn==25.0.3
 whitenoise[brotli]==6.11.0  # Used by Whitenoise to provide Brotli-compressed versions of static files.
 Django==5.2.12
 celery==5.6.2  # celery needed for data ingestion
-simplejson==3.20.2  # import simplejson
+simplejson==4.1.1  # import simplejson
 newrelic==11.2.0
 certifi==2026.1.4