diff --git a/requirements.txt b/requirements.txt
index 92acab0e5..13f6a4f90 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ mpmath==1.3.0
 numpy>=1.21.0,<2.0.0
 onnxruntime>=1.15.0,<1.20.0
 packaging==25.0
-protobuf==6.31.0
+protobuf==6.33.5
 python-dotenv==1.1.0
 pyyaml==6.0.2
 requests==2.32.3