diff --git a/WORKSPACE b/WORKSPACE
index 4c549bc..710eeb7 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -63,9 +63,9 @@ http_archive(
 
 http_archive(
     name = "io_grpc_proto",
-    sha256 = "f081eba5884bf09051d27664aede4fc22bbaa77da477735d745bcef17bd088f1",
-    strip_prefix = "grpc-proto-ec886024c2f7b7f597ba89d5b7d60c3f94627b17",
-    urls = ["https://github.com/grpc/grpc-proto/archive/ec886024c2f7b7f597ba89d5b7d60c3f94627b17.tar.gz"],
+    sha256 = "342edc01f146056f106dc21d54c85c1ee181710b3fe4e14fd7f55c1c62eab615",
+    strip_prefix = "grpc-proto-99135b19189588fcc787acb84cff27991787473d",
+    urls = ["https://github.com/grpc/grpc-proto/archive/99135b19189588fcc787acb84cff27991787473d.tar.gz"],
 )
 
 http_archive(