diff --git a/requirements.txt b/requirements.txt
index 0fac705..26ef175 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ mpmath==1.3.0
 numpy==1.26.4; python_version < '3.13' and python_version >= '3.9'
 onnxruntime==1.19.2
 packaging==24.1; python_version >= '3.8'
-protobuf==5.27.3; python_version >= '3.8'
+protobuf==5.28.0; python_version >= '3.8'
 pydantic==2.9.1; python_version >= '3.8'
 pydantic-core==2.20.1; python_version >= '3.8'
 pyreadline3==3.4.1; python_version >= '3.8' and sys_platform == 'win32'