diff --git a/go.mod b/go.mod
index bc3fa8b..8ebc7ee 100644
--- a/go.mod
+++ b/go.mod
@@ -1,8 +1,13 @@
 module github.com/TrueCloudLab/hrw
 
-go 1.14
+go 1.18
 
 require (
 	github.com/spaolacci/murmur3 v1.1.0
 	github.com/stretchr/testify v1.3.0
 )
+
+require (
+	github.com/davecgh/go-spew v1.1.0 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+)