diff --git a/pyproject.toml b/pyproject.toml
index b3ec362..7500c31 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -47,7 +47,7 @@ dev = [
     "ruff>=0.12.0",
     "commitizen>=4.8.3",
     # ── Type checking ─────────────────────────────────────────
-    "mypy>=1.17.1",
+    "mypy>=1.20.2",
     "types-requests>=2.31.0",
     # ── Security ──────────────────────────────────────────────
     "bandit[toml]>=1.8.6",