diff --git a/pyproject.toml b/pyproject.toml
index e74e219..23f82a8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -58,7 +58,7 @@ dev = [
     "pytest>=7",
     "pytest-cov>=4",
     "ruff>=0.4",
-    "mypy>=1,<2",
+    "mypy>=1,<3",
     "pdoc>=14",
 ]