diff --git a/requirements.txt b/requirements.txt
index 3b0f713..3040561 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ git+https://github.com/deepmind/rlax
 mock==3.0.5
 coverage==5.0.1
 pytest-cov==2.8.1
-grpcio==1.26.0
+grpcio==1.53.0
 grpcio-tools==1.26.0
 protobuf==3.9.2
 coveralls==1.11.1