diff --git a/pyproject.toml b/pyproject.toml
index 7b446f7..04f1ace 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,7 +42,7 @@ dependencies = [
     "ruff==0.14.0",
     "aiohttp==3.13.0",
     "prometheus-client==0.23.1",
-    "mashumaro==3.16",
+    "mashumaro==3.17",
     "mkdocs-material==9.6.16",
     "mkdocstrings[python]==0.30.0",
 ]