diff --git a/CHANGES.md b/CHANGES.md
index b0f20ecf..9c6f347c 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,8 @@
+# 2024-01-08 (5.21.2)
+
+* Remove the Django >= 4.2 pinning, because DSO is still on Django 3.x.
+  Later on, we can migrate both schematools and DSO simultaneous to >= 4.2
+
 # 2023-12-28 (5.21.1)
 
 * Fix auth property for subfields. The subfields do not have
diff --git a/setup.cfg b/setup.cfg
index 238e9130..8c920815 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = amsterdam-schema-tools
-version = 5.21.1
+version = 5.21.2
 url = https://github.com/amsterdam/schema-tools
 license = Mozilla Public 2.0
 author = Team Data Diensten, van het Dataplatform onder de Directie Digitale Voorzieningen (Gemeente Amsterdam)
@@ -79,7 +79,7 @@ tests =
     pytest-django >= 4.7.0
     pytest-sqlalchemy
 django =
-    django >= 4.2
+    django >= 3.0, < 4.2
     django-gisserver >= 1.2.7
     django-environ
     django-db-comments