diff --git a/vendor/github.com/Shopify/sarama/end_txn_response.go b/vendor/github.com/Shopify/sarama/end_txn_response.go
index 33b27e3..7639767 100644
--- a/vendor/github.com/Shopify/sarama/end_txn_response.go
+++ b/vendor/github.com/Shopify/sarama/end_txn_response.go
@@ -39,6 +39,10 @@
 	return 0
 }
 
+func (r *EndTxnResponse) headerVersion() int16 {
+	return 0
+}
+
 func (e *EndTxnResponse) requiredVersion() KafkaVersion {
 	return V0_11_0_0
 }