diff --git a/pyproject.toml b/pyproject.toml
index 7ea49cc5..2f1ae3d0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ typer = ">=0.9.0"
 
 [tool.poetry.group.dev.dependencies]
 ruff = "0.3.1"
-mypy = "1.8.0"
+mypy = "1.9.0"
 pytest = "8.1.0"
 coverage = "7.4.3"
 genbadge = { extras = ["coverage"], version = "1.1.1" }