diff --git a/vendor/gopkg.in/Shopify/sarama.v1/Makefile b/vendor/gopkg.in/Shopify/sarama.v1/Makefile
index 8fcf219..09f743c 100644
--- a/vendor/gopkg.in/Shopify/sarama.v1/Makefile
+++ b/vendor/gopkg.in/Shopify/sarama.v1/Makefile
@@ -1,3 +1,5 @@
+export GO111MODULE=on
+
 default: fmt vet errcheck test
 
 # Taken from https://github.com/codecov/example-go#caveat-multiple-files