diff --git a/python/pyproject.toml b/python/pyproject.toml
index 242b4dbf1e5..8d9fac23b4c 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -39,7 +39,7 @@ dev = [
     "pytest-retry==1.7.0",
     "mypy==1.20.0",
     "pyright==1.1.410",
-    "pyrefly==1.0.0",
+    "pyrefly==1.1.1",
     "ty==0.0.46",
     "zuban==0.8.2",
     "mcp[ws]==1.27.2",