diff --git a/pyproject.toml b/pyproject.toml
index 3d0d8e25..a24b8e6e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -63,7 +63,7 @@ test = [
 ]
 dev = [
     "woningwaardering[test]",
-    "datamodel-code-generator[http]==0.25.6",
+    "datamodel-code-generator[http]==0.25.8",
     "unidecode==1.*",
     "jinja2==3.*",
     "types-pyyaml==6.*",