diff --git a/pyproject.toml b/pyproject.toml
index 31ae090c..08bbd8b7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,7 +51,7 @@ dev = [
     "mypy == 1.19.1",
     "ufmt == 2.8.0",
     "usort == 1.0.8.post1",
-    "pyrefly == 0.46.3",
+    "pyrefly == 0.50.1",
 ]
 lsp = [
     "pygls[ws] ~= 2.0.0",