diff --git a/sdks/python/pyproject.toml b/sdks/python/pyproject.toml
index c2b7c27..a3678f8 100644
--- a/sdks/python/pyproject.toml
+++ b/sdks/python/pyproject.toml
@@ -9,7 +9,7 @@ description = "RCM (Recursive Context Machine) Python SDK"
 requires-python = ">=3.10"
 dependencies = [
     "grpcio>=1.60",
-    "protobuf>=4.20",
+    "protobuf>=7.36.2",
 ]
 
 [project.optional-dependencies]