diff --git a/.changelog/3437.internal.md b/.changelog/3437.internal.md
new file mode 100644
index 00000000000..dd603e123d2
--- /dev/null
+++ b/.changelog/3437.internal.md
@@ -0,0 +1 @@
+go: bump google.golang.org/grpc from 1.32.0 to 1.33.1
diff --git a/go/go.mod b/go/go.mod
index f95eca87a99..538b30dac04 100644
--- a/go/go.mod
+++ b/go/go.mod
@@ -60,7 +60,7 @@ require (
 	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9
 	golang.org/x/net v0.0.0-20200813134508-3edf25e44fcc
 	google.golang.org/genproto v0.0.0-20200624020401-64a14ca9d1ad
-	google.golang.org/grpc v1.32.0
+	google.golang.org/grpc v1.33.1
 	google.golang.org/grpc/security/advancedtls v0.0.0-20200902210233-8630cac324bf
 	google.golang.org/protobuf v1.25.0
 )
diff --git a/go/go.sum b/go/go.sum
index 4f9dd6dc9d9..10038686e2a 100644
--- a/go/go.sum
+++ b/go/go.sum
@@ -288,6 +288,8 @@ github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm4
 github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/google/uuid v1.1.2 h1:EVhdT+1Kseyi1/pUmXKaFxYsDNy9RQYkMWRH68J/W7Y=
+github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
 github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
@@ -1273,6 +1275,8 @@ google.golang.org/grpc v1.31.1 h1:SfXqXS5hkufcdZ/mHtYCh53P2b+92WQq/DZcKLgsFRs=
 google.golang.org/grpc v1.31.1/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
 google.golang.org/grpc v1.32.0 h1:zWTV+LMdc3kaiJMSTOFz2UgSBgx8RNQoTGiZu3fR9S0=
 google.golang.org/grpc v1.32.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
+google.golang.org/grpc v1.33.1 h1:DGeFlSan2f+WEtCERJ4J9GJWk15TxUi8QGagfI87Xyc=
+google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
 google.golang.org/grpc/examples v0.0.0-20200731180010-8bec2f5d898f h1:HNNmM2dnxUknBEJDvuCRZcUzhGbhkz00ckV2ha2gFJY=
 google.golang.org/grpc/examples v0.0.0-20200731180010-8bec2f5d898f/go.mod h1:TGiSRL2BBv2WqzfsFNWYp/pkWdtf5kbZS/DQ9Ee3mWk=
 google.golang.org/grpc/security/advancedtls v0.0.0-20200902210233-8630cac324bf h1:IqdIxEnvZreeZMpDPbAA66R/PkRH6AD255RbxyuyfEY=