diff --git a/restapi.go b/restapi.go
index 60d10a2..adc3100 100644
--- a/restapi.go
+++ b/restapi.go
@@ -665,6 +665,19 @@ func (s *Session) GuildMemberMove(guildID, userID, channelID string) (err error)
 	return
 }
 
+// GuildMemberNickname updates the nickname of a guild member
+// guildID   : The ID of a guild
+// userID    : The ID of a user
+func (s *Session) GuildMemberNickname(guildID, userID, nickname string) (err error) {
+
+	data := struct {
+		Nick string `json:"nick"`
+	}{nickname}
+
+	_, err = s.Request("PATCH", GUILD_MEMBER(guildID, userID), data)
+	return
+}
+
 // GuildChannels returns an array of Channel structures for all channels of a
 // given guild.
 // guildID   : The ID of a Guild.
diff --git a/restapi_test.go b/restapi_test.go
index e72a108..c23fb22 100644
--- a/restapi_test.go
+++ b/restapi_test.go
@@ -186,6 +186,22 @@ func TestGuildRoles(t *testing.T) {
 
 }
 
+func TestGuildMemberNickname(t *testing.T) {
+
+	if envGuild == "" {
+		t.Skip("Skipping, DG_GUILD not set.")
+	}
+
+	if dg == nil {
+		t.Skip("Skipping, dg not set.")
+	}
+
+	err := dg.GuildMemberNickname(envGuild, "@me/nick", "testnickname")
+	if err != nil {
+		t.Errorf("GuildNickname returned error: %+v", err)
+	}
+}
+
 // TestChannelMessageSend2 tests the ChannelMessageSend() function. This should not return an error.
 func TestChannelMessageSend2(t *testing.T) {