diff --git a/library/src/main/java/com/pengrad/telegrambot/request/PinChatMessage.java b/library/src/main/java/com/pengrad/telegrambot/request/PinChatMessage.java
index 1abe826d..a691bf40 100644
--- a/library/src/main/java/com/pengrad/telegrambot/request/PinChatMessage.java
+++ b/library/src/main/java/com/pengrad/telegrambot/request/PinChatMessage.java
@@ -16,5 +16,8 @@ public PinChatMessage(Object chatId, int messageId) {
     public PinChatMessage disableNotification(boolean disableNotification) {
         return add("disable_notification", disableNotification);
     }
+    public PinChatMessage businessConnectionId(String businessConnectionId) {
+        return add("business_connection_id", businessConnectionId);
+    }
 
 }
diff --git a/library/src/main/java/com/pengrad/telegrambot/request/UnpinChatMessage.java b/library/src/main/java/com/pengrad/telegrambot/request/UnpinChatMessage.java
index 84b3cf7e..4eedfa74 100644
--- a/library/src/main/java/com/pengrad/telegrambot/request/UnpinChatMessage.java
+++ b/library/src/main/java/com/pengrad/telegrambot/request/UnpinChatMessage.java
@@ -16,4 +16,8 @@ public UnpinChatMessage(Object chatId) {
     public UnpinChatMessage messageId(Integer messageId) {
         return add("message_id", messageId);
     }
+
+    public UnpinChatMessage businessConnectionId(String businessConnectionId) {
+        return add("business_connection_id", businessConnectionId);
+    }
 }