diff --git a/requirements.txt b/requirements.txt
index a90e15c..5b0e559 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,5 +3,5 @@ nose==1.3.7
 coverage==4.4.2
 requests==2.20.1
 grpcio==1.15.0
-grpcio-tools==1.15.0
+grpcio-tools==1.68.1
 grpcio-health-checking==1.15.0