diff --git a/pystarport/cluster.py b/pystarport/cluster.py
index db46998..5acfc05 100644
--- a/pystarport/cluster.py
+++ b/pystarport/cluster.py
@@ -826,6 +826,11 @@ def register_counterparty_payee(
             port_id, channel_id, relayer, counterparty_payee, **kwargs
         )
 
+    def pay_packet_fee(self, port_id, channel_id, packet_seq, i=0, **kwargs):
+        return self.cosmos_cli(i).pay_packet_fee(
+            port_id, channel_id, packet_seq, **kwargs
+        )
+
 
 def start_cluster(data_dir):
     cmd = [
diff --git a/pystarport/cosmoscli.py b/pystarport/cosmoscli.py
index d9da5e3..b8b9991 100644
--- a/pystarport/cosmoscli.py
+++ b/pystarport/cosmoscli.py
@@ -1393,7 +1393,7 @@ def ibc_upgrade_channels(self, version, from_addr, **kwargs):
                 **kwargs,
             )
         )
-    
+
     def register_counterparty_payee(
         self, port_id, channel_id, relayer, counterparty_payee, **kwargs
     ):
@@ -1414,3 +1414,21 @@ def register_counterparty_payee(
         if rsp["code"] == 0:
             rsp = self.event_query_tx_for(rsp["txhash"])
         return rsp
+
+    def pay_packet_fee(self, port_id, channel_id, packet_seq, **kwargs):
+        rsp = json.loads(
+            self.raw(
+                "tx",
+                "ibc-fee",
+                "pay-packet-fee",
+                port_id,
+                channel_id,
+                str(packet_seq),
+                "-y",
+                home=self.data_dir,
+                **kwargs,
+            )
+        )
+        if rsp["code"] == 0:
+            rsp = self.event_query_tx_for(rsp["txhash"])
+        return rsp