diff --git a/pyproject.toml b/pyproject.toml
index 0930ea75..27034f16 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -64,7 +64,7 @@ optional-dependencies.dev = [
     "freezegun==1.5.1",
     "furo==2024.8.6",
     "interrogate==1.7.0",
-    "mypy[faster-cache]==1.14.1",
+    "mypy[faster-cache]==1.15.0",
     "mypy-strict-kwargs==2024.12.25",
     "pre-commit==4.1.0",
     "pydocstyle==6.3",