diff --git a/setup.py b/setup.py
index 979e13e4..5625dd4c 100644
--- a/setup.py
+++ b/setup.py
@@ -47,7 +47,7 @@
         "grpcio-status==1.66.1",
         "grpcio-tools==1.70.0",
         "googleapis-common-protos==1.69.0",
-        "protobuf==5.29.3",
+        "protobuf==5.29.5",
         "flask==3.0.3",
         "requests-toolbelt==1.0.0",
         "scalpl==0.4.2",