diff --git a/pyproject.toml b/pyproject.toml
index 42dfa22..38199cf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ dependencies = [
   "isodate>=0.6,<0.7",
   "jsonschema>=4.0,<5.0",
   "Jinja2>=3.1.3,<4",
-  "mashumaro[msgpack]>=3.15,<4.0",
+  "mashumaro[msgpack]>=3.9,<3.15",
   "pathspec>=0.9,<0.13",
   "protobuf>=5.0,<6.0",
   "python-dateutil>=2.0,<3.0",