diff --git a/requirements.txt b/requirements.txt
index 69daec0cb248bb71c04836ee57dc286a00b912e0..14b3b75419ff6c7d68154f3a8e54315b3d87a291 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ demjson==2.2.4
 fs==2.4.13
 geojson==2.5.0
 geopy==2.1.0
-grpcio==1.36
+grpcio==1.39
 http-parser==0.9.0
 manhole==1.6.0
 markerlib==0.6.0