diff --git a/pyproject.toml b/pyproject.toml
index 80157e8ca..20a2492cf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -64,7 +64,7 @@ optional-dependencies.dev = [
     "freezegun==1.5.5",
     "furo==2025.12.19",
     "interrogate==1.7.0",
-    "mypy[faster-cache]==2.1.0",
+    "mypy[faster-cache]==2.2.0",
     "mypy-strict-kwargs==2026.5.20.1",
     "prek==0.4.6",
     "pydocstringformatter==1.0.0",