diff --git a/Gopkg.lock b/Gopkg.lock
index 341b0b9d617e..3ab40db091ba 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -1129,7 +1129,7 @@
   revision = "92dd089d5514cecde7a465f807541f83dfd486d5"
 
 [[projects]]
-  digest = "1:8016400c5387900284bbdba32d36e5844f40cb32907b6d736bd4fb91e7cadae6"
+  digest = "1:d2320a9f49ef5452a9381242e80feaa94842cc4240e487582596560197f9ab94"
   name = "google.golang.org/grpc"
   packages = [
     ".",
@@ -1164,6 +1164,7 @@
     "resolver/dns",
     "resolver/manual",
     "resolver/passthrough",
+    "serviceconfig",
     "stats",
     "status",
     "tap",
@@ -1171,8 +1172,8 @@
     "test/grpc_testing",
   ]
   pruneopts = "UT"
-  revision = "25c4f928eaa6d96443009bd842389fb4fa48664e"
-  version = "v1.20.1"
+  revision = "6eaf6f47437a6b4e2153a190160ef39a92c7eceb"
+  version = "v1.23.0"
 
 [[projects]]
   digest = "1:2d1fbdc6777e5408cabeb02bf336305e724b925ff4546ded0fa8715a7267922a"
diff --git a/Gopkg.toml b/Gopkg.toml
index b229de2e490d..95e996bece70 100644
--- a/Gopkg.toml
+++ b/Gopkg.toml
@@ -113,7 +113,7 @@ required = [
 
 [[constraint]]
   name = "google.golang.org/grpc"
-  version = "=1.20.1"
+  version = "^1.21.0"
 
 [[constraint]]
   name = "github.com/olivere/elastic"