diff --git a/vendor/github.com/Shopify/sarama/txn_offset_commit_request.go b/vendor/github.com/Shopify/sarama/txn_offset_commit_request.go
index 71e95b8..c4043a3 100644
--- a/vendor/github.com/Shopify/sarama/txn_offset_commit_request.go
+++ b/vendor/github.com/Shopify/sarama/txn_offset_commit_request.go
@@ -91,6 +91,10 @@
 	return 0
 }
 
+func (a *TxnOffsetCommitRequest) headerVersion() int16 {
+	return 1
+}
+
 func (a *TxnOffsetCommitRequest) requiredVersion() KafkaVersion {
 	return V0_11_0_0
 }