diff --git a/requirements-dev.txt b/requirements-dev.txt
index bbfba67..580049e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -20,7 +20,7 @@ click==8.1.8
     #   pip-tools
 coverage==7.10.4
     # via pytest-cov
-datamodel-code-generator==0.75.1
+datamodel-code-generator==0.81.0
     # via -r requirements-dev.in
 exceptiongroup==1.3.1
     # via pytest