diff --git a/pyproject.toml b/pyproject.toml
index ef77eb2..fa3ce12 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -93,9 +93,9 @@ dependencies = [
 [project.optional-dependencies]
 develop = [
   "black<25",
-  "mypy<1.10",
+  "mypy<1.11",
   "poethepoet<0.27",
-  "pyproject-fmt<1.8",
+  "pyproject-fmt<1.9",
   "ruff==0.3.5",
   "validate-pyproject<0.17",
 ]