diff --git a/pyproject.toml b/pyproject.toml
index 27403ee..26e1bf2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,7 +52,7 @@ tests = [
 ]
 dev = [
   "morefs[tests,all]",
-  "mypy==1.15.0"
+  "mypy==1.17.1"
 ]
 
 [project.entry-points."fsspec.specs"]