diff --git a/src/emailservice/requirements.txt b/src/emailservice/requirements.txt
index e3800b2..ca3f1c3 100644
--- a/src/emailservice/requirements.txt
+++ b/src/emailservice/requirements.txt
@@ -15,7 +15,7 @@ google-cloud-trace==0.19.0
 googleapis-common-protos==1.5.3
 grpc-google-iam-v1==0.11.4
 grpcio==1.12.1
-grpcio-health-checking==1.14.1
+grpcio-health-checking==1.12.1
 grpcio-tools==1.12.1
 idna==2.7
 ipaddress==1.0.22