diff --git a/pyproject.toml b/pyproject.toml
index c94adc1..3b83aaf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -81,7 +81,7 @@ dependencies = [
 ]
 
 optional-dependencies.develop = [
-  "mypy<1.15",
+  "mypy<1.16",
   "poethepoet<1",
   "pyproject-fmt<2.6",
   "ruff<0.10",