diff --git a/requirements-dev.txt b/requirements-dev.txt
index 3b7e038..6760b1c 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -26,7 +26,7 @@ license-expression==30.4.4 ; python_version >= "3.10" and python_version < "4.0"
 markdown-it-py==4.2.0 ; python_version >= "3.10" and python_version < "4.0"
 mccabe==0.7.0 ; python_version >= "3.10" and python_version < "4.0"
 mdurl==0.1.2 ; python_version >= "3.10" and python_version < "4.0"
-msgpack==1.1.2 ; python_version >= "3.10" and python_version < "4.0"
+msgpack==1.2.1 ; python_version >= "3.10" and python_version < "4.0"
 mypy-extensions==1.1.0 ; python_version >= "3.10" and python_version < "4.0"
 mypy==1.20.2 ; python_version >= "3.10" and python_version < "4.0"
 nodeenv==1.10.0 ; python_version >= "3.10" and python_version < "4.0"