diff --git a/go.mod b/go.mod
index 9c4c32154b..25a8822614 100644
--- a/go.mod
+++ b/go.mod
@@ -4,5 +4,5 @@ go 1.9
 
 require (
 	github.com/google/go-cmp v0.4.0
-	google.golang.org/protobuf v1.22.0
+	google.golang.org/protobuf v1.22.1-0.20200513052502-2d80e9b3abae
 )
diff --git a/go.sum b/go.sum
index 447f2aea29..bda75e8571 100644
--- a/go.sum
+++ b/go.sum
@@ -16,3 +16,5 @@ google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miE
 google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
 google.golang.org/protobuf v1.22.0 h1:cJv5/xdbk1NnMPR1VP9+HU6gupuG9MLBoH1r6RHZ2MY=
 google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.22.1-0.20200513052502-2d80e9b3abae h1:ljtjglT2B/vA/wQXPsDosy75Uq91Em5ktksJNG8HFQI=
+google.golang.org/protobuf v1.22.1-0.20200513052502-2d80e9b3abae/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=