diff --git a/vendor/github.com/Shopify/sarama/offset_commit_request.go b/vendor/github.com/Shopify/sarama/offset_commit_request.go
index 5732ed9..9931cad 100644
--- a/vendor/github.com/Shopify/sarama/offset_commit_request.go
+++ b/vendor/github.com/Shopify/sarama/offset_commit_request.go
@@ -170,6 +170,10 @@
 	return r.Version
 }
 
+func (r *OffsetCommitRequest) headerVersion() int16 {
+	return 1
+}
+
 func (r *OffsetCommitRequest) requiredVersion() KafkaVersion {
 	switch r.Version {
 	case 1: