diff --git a/fuzz/go.mod b/fuzz/go.mod
index 9be6d10..fabcb0c 100644
--- a/fuzz/go.mod
+++ b/fuzz/go.mod
@@ -9,7 +9,7 @@ require (
 	github.com/elazarl/go-bindata-assetfs v1.0.1
 	github.com/filecoin-project/go-amt-ipld/v4 v4.3.0
 	github.com/ipfs/go-block-format v0.2.0
-	github.com/ipfs/go-cid v0.4.1
+	github.com/ipfs/go-cid v0.5.0
 	github.com/ipfs/go-ipld-cbor v0.2.0
 	github.com/stephens2424/writerset v1.0.2
 	github.com/whyrusleeping/cbor-gen v0.2.0
diff --git a/fuzz/go.sum b/fuzz/go.sum
index b5799c8..d0ee3c2 100644
--- a/fuzz/go.sum
+++ b/fuzz/go.sum
@@ -13,8 +13,8 @@ github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGa
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/ipfs/go-block-format v0.2.0 h1:ZqrkxBA2ICbDRbK8KJs/u0O3dlp6gmAuuXUJNiW1Ycs=
 github.com/ipfs/go-block-format v0.2.0/go.mod h1:+jpL11nFx5A/SPpsoBn6Bzkra/zaArfSmsknbPMYgzM=
-github.com/ipfs/go-cid v0.4.1 h1:A/T3qGvxi4kpKWWcPC/PgbvDA2bjVLO7n4UeVwnbs/s=
-github.com/ipfs/go-cid v0.4.1/go.mod h1:uQHwDeX4c6CtyrFwdqyhpNcxVewur1M7l7fNU7LKwZk=
+github.com/ipfs/go-cid v0.5.0 h1:goEKKhaGm0ul11IHA7I6p1GmKz8kEYniqFopaB5Otwg=
+github.com/ipfs/go-cid v0.5.0/go.mod h1:0L7vmeNXpQpUS9vt+yEARkJ8rOg43DF3iPgn4GIN0mk=
 github.com/ipfs/go-ipfs-util v0.0.3 h1:2RFdGez6bu2ZlZdI+rWfIdbQb1KudQp3VGwPtdNCmE0=
 github.com/ipfs/go-ipfs-util v0.0.3/go.mod h1:LHzG1a0Ig4G+iZ26UUOMjHd+lfM84LZCrn17xAKWBvs=
 github.com/ipfs/go-ipld-cbor v0.2.0 h1:VHIW3HVIjcMd8m4ZLZbrYpwjzqlVUfjLM7oK4T5/YF0=