diff --git a/src/main/java/com/nexmo/client/voice/VoiceName.java b/src/main/java/com/nexmo/client/voice/VoiceName.java
index 271143d95..fc1a602e0 100644
--- a/src/main/java/com/nexmo/client/voice/VoiceName.java
+++ b/src/main/java/com/nexmo/client/voice/VoiceName.java
@@ -32,92 +32,101 @@
  */
 
 public enum VoiceName {
-    SALLI("Salli"),
-    JOEY("Joey"),
-    MATTHEW("Matthew"),
-    NAJA("Naja"),
-    MADS("Mads"),
-    MARLENE("Marlene"),
-    HANS("Hans"),
-    NICOLE("Nicole"),
-    RUSSELL("Russell"),
+    ADITI("Aditi"),
+    AGNIESZKA("Agnieszka"),
+    ALVA("Alva"),
     AMY("Amy"),
+    ASTRID("Astrid"),
+    BIANCA("Bianca"),
     BRIAN("Brian"),
-    EMMA("Emma"),
-    GWYNETH("Gwyneth"),
-    GERAINT("Geraint"),
-    RAVEENA("Raveena"),
+    CARLA("Carla"),
+    CARMEN("Carmen"),
+    CARMIT("Carmit"),
+    CATARINA("Catarina"),
+    CELINE("Celine"),
+    CEM("Cem"),
+    CHANTAL("Chantal"),
     CHIPMUNK("Chipmunk"),
+    CONCHITA("Conchita"),
+    CRISTIANO("Cristiano"),
+    DAMAYANTI("Damayanti"),
+    EMPAR("Empar"),
+    DORA("Dora"),
+    EMMA("Emma"),
+    ENRIQUE("Enrique"),
     ERIC("Eric"),
+    EWA("Ewa"),
+    FELIPE("Felipe"),
+    FILIZ("Filiz"),
+    GERAINT("Geraint"),
+    GIORGIO("Giorgio"),
+    GWYNETH("Gwyneth"),
+    HANS("Hans"),
+    HENRIK("Henrik"),
+    INES("Ines"),
+    IOANA("Ioana"),
+    IVETA("Iveta"),
     IVY("Ivy"),
+    JACEK("Jacek"),
+    JAN("Jan"),
     JENNIFER("Jennifer"),
+    JOANA("Joana"),
+    JOEY("Joey"),
+    JORDI("Jordi"),
     JUSTIN("Justin"),
+    KANYA("Kanya"),
+    KARL("Karl"),
     KENDRA("Kendra"),
     KIMBERLY("Kimberly"),
-    CONCHITA("Conchita"),
-    ENRIQUE("Enrique"),
-    PENELOPE("Penelope"),
-    MIGUEL("Miguel"),
-    CHANTAL("Chantal"),
-    CELINE("Celine"),
-    MATHIEU("Mathieu"),
-    DORA("Dora"),
-    KARL("Karl"),
-    CARLA("Carla"),
-    GIORGIO("Giorgio"),
+    LAILA("Laila"),
+    LAURA("Laura"),
+    LEA("Lea"),
+    LEKHA("Lekha"),
     LIV("Liv"),
     LOTTE("Lotte"),
-    RUBEN("Ruben"),
-    AGNIESZKA("Agnieszka"),
-    JACEK("Jacek"),
-    EWA("Ewa"),
-    JAN("Jan"),
+    LUCIA("Lucia"),
+    LUCIANA("Luciana"),
+    MADS("Mads"),
+    MAGED("Maged"),
     MAJA("Maja"),
-    VITORIA("Vitoria"),
-    RICARDO("Ricardo"),
-    CRISTIANO("Cristiano"),
-    INES("Ines"),
-    CARMEN("Carmen"),
+    MARISKA("Mariska"),
+    MARLENE("Marlene"),
+    MATHIEU("Mathieu"),
+    MATTHEW("Matthew"),
     MAXIM("Maxim"),
-    TATYANA("Tatyana"),
-    ASTRID("Astrid"),
-    FILIZ("Filiz"),
-    MIZUKI("Mizuki"),
-    SEOYEON("Seoyeon"),
-    LAILA("Laila"),
-    MAGED("Maged"),
-    TARIK("Tarik"),
-    DAMAYANTI("Damayanti"),
+    MEI_JIA("Mei-Jia"),
+    MELINA("Melina"),
+    MIA("Mia"),
+    MIGUEL("Miguel"),
     MIREN("Miren"),
-    SIN_JI("Sin-Ji"),
-    JORDI("Jordi"),
+    MIZUKI("Mizuki"),
     MONTSERRAT("Montserrat"),
-    IVETA("Iveta"),
-    ZUZANA("Zuzana"),
-    TESSA("Tessa"),
-    SATU("Satu"),
-    MELINA("Melina"),
+    NAJA("Naja"),
+    NICOLE("Nicole"),
     NIKOS("Nikos"),
-    CARMIT("Carmit"),
-    LEKHA("Lekha"),
-    MARISKA("Mariska"),
-    SORA("Sora"),
-    TIAN_TIAN("Tian-Tian"),
-    MEI_JIA("Mei-Jia"),
     NORA("Nora"),
-    HENRIK("Henrik"),
-    LUCIANA("Luciana"),
-    FELIPE("Felipe"),
-    CATARINA("Catarina"),
-    JOANA("Joana"),
-    IOANA("Ioana"),
-    LAURA("Laura"),
-    ALVA("Alva"),
     OSKAR("Oskar"),
-    KANYA("Kanya"),
-    CEM("Cem"),
+    PENELOPE("Penelope"),
+    RAVEENA("Raveena"),
+    RICARDO("Ricardo"),
+    RUBEN("Ruben"),
+    RUSSELL("Russell"),
+    SALLI("Salli"),
+    SATU("Satu"),
+    SEOYEON("Seoyeon"),
+    SIN_JI("Sin-Ji"),
+    SORA("Sora"),
+    TAKUMI("Takumi"),
+    TARIK("Tarik"),
+    TATYANA("Tatyana"),
+    TESSA("Tessa"),
+    TIAN_TIAN("Tian-Tian"),
+    VICKI("Vicki"),
+    VITORIA("Vitoria"),
     YELDA("Yelda"),
-    EMPAR("Empar"),
+    ZEINA("Zeina"),
+    ZHIYU("Zhiyu"),
+    ZUZANA("Zuzana"),
     UNKNOWN("Unknown");
 
     private static final Map<String, VoiceName> voiceNameIndex = new HashMap<>();
diff --git a/src/test/java/com/nexmo/client/voice/VoiceNameTest.java b/src/test/java/com/nexmo/client/voice/VoiceNameTest.java
index 33e7d666e..e828d0b2e 100644
--- a/src/test/java/com/nexmo/client/voice/VoiceNameTest.java
+++ b/src/test/java/com/nexmo/client/voice/VoiceNameTest.java
@@ -114,6 +114,7 @@ public void testEachVoiceNameForCorrectCapitalization() {
         assertEquals(VoiceName.NORA.getDisplayName(), "Nora");
         assertEquals(VoiceName.HENRIK.getDisplayName(), "Henrik");
         assertEquals(VoiceName.LUCIANA.getDisplayName(), "Luciana");
+        assertEquals(VoiceName.LUCIA.getDisplayName(), "Lucia");
         assertEquals(VoiceName.FELIPE.getDisplayName(), "Felipe");
         assertEquals(VoiceName.CATARINA.getDisplayName(), "Catarina");
         assertEquals(VoiceName.JOANA.getDisplayName(), "Joana");
@@ -125,6 +126,12 @@ public void testEachVoiceNameForCorrectCapitalization() {
         assertEquals(VoiceName.CEM.getDisplayName(), "Cem");
         assertEquals(VoiceName.YELDA.getDisplayName(), "Yelda");
         assertEquals(VoiceName.EMPAR.getDisplayName(), "Empar");
+        assertEquals(VoiceName.VICKI.getDisplayName(), "Vicki");
+        assertEquals(VoiceName.ADITI.getDisplayName(), "Aditi");
+        assertEquals(VoiceName.TAKUMI.getDisplayName(), "Takumi");
+        assertEquals(VoiceName.LEA.getDisplayName(), "Lea");
+        assertEquals(VoiceName.ZEINA.getDisplayName(), "Zeina");
+        assertEquals(VoiceName.ZHIYU.getDisplayName(), "Zhiyu");
         assertEquals(VoiceName.UNKNOWN.getDisplayName(), "Unknown");
     }
 }