diff --git a/src/main/java/com/binance/api/client/domain/event/UserDataUpdateEvent.java b/src/main/java/com/binance/api/client/domain/event/UserDataUpdateEvent.java
index 0af50e198..e0cd92bf2 100644
--- a/src/main/java/com/binance/api/client/domain/event/UserDataUpdateEvent.java
+++ b/src/main/java/com/binance/api/client/domain/event/UserDataUpdateEvent.java
@@ -9,7 +9,8 @@
  * User data update event which can be of two types:
  *
  * 1) outboundAccountInfo, whenever there is a change in the account (e.g. balance of an asset)
- * 2) executionReport, whenever there is a trade or an order
+ * 2) outboundAccountPosition, the change in account balances caused by an event.
+ * 3) executionReport, whenever there is a trade or an order
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 @JsonDeserialize(using = UserDataUpdateEventDeserializer.class)
@@ -62,6 +63,8 @@ public String toString() {
         .append("eventTime", eventTime);
     if (eventType == UserDataUpdateEventType.ACCOUNT_UPDATE) {
       sb.append("accountUpdateEvent", accountUpdateEvent);
+    } else if (eventType == UserDataUpdateEventType.ACCOUNT_POSITION_UPDATE) {
+        sb.append("accountPositionUpdateEvent", accountUpdateEvent);
     } else {
       sb.append("orderTradeUpdateEvent", orderTradeUpdateEvent);
     }
@@ -70,6 +73,7 @@ public String toString() {
 
   public enum UserDataUpdateEventType {
     ACCOUNT_UPDATE("outboundAccountInfo"),
+    ACCOUNT_POSITION_UPDATE("outboundAccountPosition"),
     ORDER_TRADE_UPDATE("executionReport");
 
     private final String eventTypeId;
@@ -87,6 +91,8 @@ public static UserDataUpdateEventType fromEventTypeId(String eventTypeId) {
         return ACCOUNT_UPDATE;
       } else if (ORDER_TRADE_UPDATE.eventTypeId.equals(eventTypeId)) {
         return ORDER_TRADE_UPDATE;
+      } else if (ACCOUNT_POSITION_UPDATE.eventTypeId.equals(eventTypeId)) {
+        return ACCOUNT_POSITION_UPDATE;
       }
       throw new IllegalArgumentException("Unrecognized user data update event type id: " + eventTypeId);
     }
diff --git a/src/main/java/com/binance/api/client/domain/event/UserDataUpdateEventDeserializer.java b/src/main/java/com/binance/api/client/domain/event/UserDataUpdateEventDeserializer.java
index afc584636..8ef548e39 100644
--- a/src/main/java/com/binance/api/client/domain/event/UserDataUpdateEventDeserializer.java
+++ b/src/main/java/com/binance/api/client/domain/event/UserDataUpdateEventDeserializer.java
@@ -38,7 +38,8 @@ public UserDataUpdateEvent deserialize(JsonParser jp, DeserializationContext ctx
     userDataUpdateEvent.setEventType(userDataUpdateEventType);
     userDataUpdateEvent.setEventTime(eventTime);
 
-    if (userDataUpdateEventType == UserDataUpdateEventType.ACCOUNT_UPDATE) {
+    if (userDataUpdateEventType == UserDataUpdateEventType.ACCOUNT_UPDATE ||
+        userDataUpdateEventType == UserDataUpdateEventType.ACCOUNT_POSITION_UPDATE) {
       AccountUpdateEvent accountUpdateEvent = getUserDataUpdateEventDetail(json, AccountUpdateEvent.class, mapper);
       userDataUpdateEvent.setAccountUpdateEvent(accountUpdateEvent);
     } else { // userDataUpdateEventType == UserDataUpdateEventType.ORDER_TRADE_UPDATE
@@ -56,4 +57,4 @@ public <T> T getUserDataUpdateEventDetail(String json, Class<T> clazz, ObjectMap
       throw new BinanceApiException(e);
     }
   }
-}
\ No newline at end of file
+}