diff --git a/go.mod b/go.mod
index d5e684e46..cb94ad055 100644
--- a/go.mod
+++ b/go.mod
@@ -103,6 +103,7 @@ require (
 	github.com/multiformats/go-multibase v0.0.2
 	github.com/multiformats/go-multihash v0.0.13
 	github.com/opentracing/opentracing-go v1.1.0
+	github.com/pkg/errors v0.9.1
 	github.com/stretchr/objx v0.2.0 // indirect
 	github.com/stretchr/testify v1.5.1
 	github.com/syndtr/goleveldb v1.0.0