diff --git a/sdk/pyproject.toml b/sdk/pyproject.toml
index 20803e3..46c8185 100644
--- a/sdk/pyproject.toml
+++ b/sdk/pyproject.toml
@@ -23,7 +23,7 @@ classifiers = [
 ]
 dependencies = [
     "grpcio>=1.81.0,<2",
-    "protobuf>=6.31.0,<7",
+    "protobuf>=7.35.1,<8",
     "googleapis-common-protos>=1.75.0,<2",
 ]