diff --git a/pyproject.toml b/pyproject.toml
index 04a2cce..1631eda 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ dev = [
     "build>=1",
     "black==24.8.0",
     "flit==3.9.0",
-    "mypy==1.2.0",
+    "mypy==1.12.1",
     "ufmt==2.1.0",
     "usort==1.0.6",
 ]