diff --git a/pyproject.toml b/pyproject.toml
index 890244b688..fe277d8ed0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -65,7 +65,7 @@ pymongocrypt_source = [
 ]
 perf = ["simplejson"]
 typing = [
-    "mypy==1.17.1",
+    "mypy==1.18.1",
     "pyright==1.1.405",
     "typing_extensions",
     "pip"