diff --git a/samples/snippets/requirements.txt b/samples/snippets/requirements.txt
index 9567dcd2..4c0fcfd3 100644
--- a/samples/snippets/requirements.txt
+++ b/samples/snippets/requirements.txt
@@ -19,7 +19,7 @@ mako==1.3.10; python_version >= '3.9'
 markupsafe==3.0.2; python_version >= '3.9'
 packaging==25.0
 proto-plus==1.26.1
-protobuf==6.31.1; python_version >= '3.9'
+protobuf==6.33.5; python_version >= '3.9'
 pyasn1==0.6.1
 pyasn1-modules==0.4.2
 pyparsing==3.2.3; python_version >= '3.9'