diff --git a/pyproject.toml b/pyproject.toml
index 4fa2ff6..375f2b5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,7 +20,7 @@ dev = [
   "pytest-cov==6.0.0",
   "hypothesis==6.130.8",
   "ruff==0.11.2",
-  "mypy==1.15.0",
+  "mypy==2.3.0",
 ]
 build = [
   "build==1.2.2.post1",