diff --git a/setup.py b/setup.py
index b52eaa5..e07c192 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@
     "packaging==24.2",
     "pandas==2.2.3",
     "pluggy==1.5.0",
-    "protobuf==5.29.2",
+    "protobuf==5.29.3",
     "pyarrow==18.1.0",
     "pytest==8.3.4",
     "python-dateutil>=2.8.1",