diff --git a/pyproject.toml b/pyproject.toml
index a7ea9f9..bdec446 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ classifiers = [
 ]
 
 dependencies = [
-  "grpcio==1.67.0",
+  "grpcio==1.70.0",
   "grpcio-reflection==1.*",
   "protobuf==5.29.3",
   "pydantic==2.*",