diff --git a/pyproject.toml b/pyproject.toml
index 9066c4ab7..8aa8f6dca 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -83,7 +83,7 @@ dev = [
     "pre-commit>=2.4.0",
     "python-semantic-release>=10.4.0",
     "pylint",
-    "datamodel-code-generator[http]<0.55.0",
+    "datamodel-code-generator[http]<0.56.0",
     "gitpython",
 ]