diff --git a/vendor.conf b/vendor.conf
index dec5b99fe1..263ee1199e 100755
--- a/vendor.conf
+++ b/vendor.conf
@@ -79,7 +79,7 @@ golang.org/x/sys                                    6d18c012aee9febd81bbf9806760
 golang.org/x/text                                   f21a4dfb5e38f5895301dc265a8def02365cc3d0 # v0.3.0
 golang.org/x/time                                   fbb02b2291d28baffd63558aa44b4b56f178d650
 google.golang.org/genproto                          02b4e95473316948020af0b7a4f0f22c73929b0e
-google.golang.org/grpc                              6eaf6f47437a6b4e2153a190160ef39a92c7eceb # v1.23.0
+google.golang.org/grpc                              39e8a7b072a67ca2a75f57fa2e0d50995f5b22f6 # v1.23.1
 gopkg.in/inf.v0                                     d2d2541c53f18d2a059457998ce2876cc8e67cbf # v0.9.1
 gopkg.in/yaml.v2                                    bb4e33bf68bf89cad44d386192cbed201f35b241 # v2.2.3
 gotest.tools                                        1083505acf35a0bd8a696b26837e1fb3187a7a83 # v2.3.0
diff --git a/vendor/google.golang.org/grpc/internal/transport/http2_server.go b/vendor/google.golang.org/grpc/internal/transport/http2_server.go
index 83439b5627..4e26f6a1d6 100644
--- a/vendor/google.golang.org/grpc/internal/transport/http2_server.go
+++ b/vendor/google.golang.org/grpc/internal/transport/http2_server.go
@@ -138,7 +138,10 @@ func newHTTP2Server(conn net.Conn, config *ServerConfig) (_ ServerTransport, err
 	}
 	framer := newFramer(conn, writeBufSize, readBufSize, maxHeaderListSize)
 	// Send initial settings as connection preface to client.
-	var isettings []http2.Setting
+	isettings := []http2.Setting{{
+		ID:  http2.SettingMaxFrameSize,
+		Val: http2MaxFrameLen,
+	}}
 	// TODO(zhaoq): Have a better way to signal "no limit" because 0 is
 	// permitted in the HTTP2 spec.
 	maxStreams := config.MaxStreams
diff --git a/vendor/google.golang.org/grpc/internal/transport/http_util.go b/vendor/google.golang.org/grpc/internal/transport/http_util.go
index 9d212867ce..8f5f3349d9 100644
--- a/vendor/google.golang.org/grpc/internal/transport/http_util.go
+++ b/vendor/google.golang.org/grpc/internal/transport/http_util.go
@@ -667,6 +667,7 @@ func newFramer(conn net.Conn, writeBufferSize, readBufferSize int, maxHeaderList
 		writer: w,
 		fr:     http2.NewFramer(w, r),
 	}
+	f.fr.SetMaxReadFrameSize(http2MaxFrameLen)
 	// Opt-in to Frame reuse API on framer to reduce garbage.
 	// Frames aren't safe to read from after a subsequent call to ReadFrame.
 	f.fr.SetReuseFrames()
diff --git a/vendor/google.golang.org/grpc/version.go b/vendor/google.golang.org/grpc/version.go
index 5411a73a22..5888505638 100644
--- a/vendor/google.golang.org/grpc/version.go
+++ b/vendor/google.golang.org/grpc/version.go
@@ -19,4 +19,4 @@
 package grpc
 
 // Version is the current grpc version.
-const Version = "1.23.0"
+const Version = "1.23.1"