diff --git a/python/pyproject.toml b/python/pyproject.toml
index 17731b17f6..c6e8341e3f 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -41,7 +41,7 @@ dev = [
     "pyright==1.1.411",
     "pyrefly==1.1.1",
     "ty==0.0.64",
-    "zuban==0.9.0",
+    "zuban==0.9.1",
     "opentelemetry-sdk",
     #tasks
     "poethepoet==0.48.0",