diff --git a/vendor/github.com/Shopify/sarama/end_txn_request.go b/vendor/github.com/Shopify/sarama/end_txn_request.go
index 2cd9b50..6635425 100644
--- a/vendor/github.com/Shopify/sarama/end_txn_request.go
+++ b/vendor/github.com/Shopify/sarama/end_txn_request.go
@@ -45,6 +45,10 @@
 	return 0
 }
 
+func (r *EndTxnRequest) headerVersion() int16 {
+	return 1
+}
+
 func (a *EndTxnRequest) requiredVersion() KafkaVersion {
 	return V0_11_0_0
 }