diff --git a/requirements.dev.txt b/requirements.dev.txt
index e8edf25..10a66b3 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -17,7 +17,8 @@
 # third sha is for cp27m-manylinux2010_x86
 grpcio==1.31.0 --hash=sha256:e8c3264b0fd728aadf3f0324471843f65bd3b38872bdab2a477e31ffb685dd5b \
                --hash=sha256:92e54ab65e782f227e751c7555918afaba8d1229601687e89b80c2b65d2f6642 \
-               --hash=sha256:58d7121f48cb94535a4cedcce32921d0d0a78563c7372a143dedeec196d1c637
+               --hash=sha256:58d7121f48cb94535a4cedcce32921d0d0a78563c7372a143dedeec196d1c637 \
+               --hash=sha256:5043440c45c0a031f387e7f48527541c65d672005fb24cf18ef6857483557d39
 
 # Required by google-cloud-tasks
 protobuf==3.12.4 --hash=sha256:3d59825cba9447e8f4fcacc1f3c892cafd28b964e152629b3f420a2fb5918b5a \