diff --git a/go.mod b/go.mod
index c902f3bd8eea24915bd05e62984f29b62f2e3ce3..00bfb676b7f33b288e51920368ade032924495d3 100644
--- a/go.mod
+++ b/go.mod
@@ -3,5 +3,5 @@ module github.com/ipfs/go-block-format
 require (
 	github.com/ipfs/go-cid v0.0.3
 	github.com/ipfs/go-ipfs-util v0.0.1
-	github.com/multiformats/go-multihash v0.0.8
+	github.com/multiformats/go-multihash v0.0.9
 )
diff --git a/go.sum b/go.sum
index ba021a87e85c89276a41a534a8aa67d22d7735a0..75c4fa10e5e76ca37ca14248e98dbdfd209088ab 100644
--- a/go.sum
+++ b/go.sum
@@ -26,6 +26,8 @@ github.com/multiformats/go-multihash v0.0.1 h1:HHwN1K12I+XllBCrqKnhX949Orn4oawPk
 github.com/multiformats/go-multihash v0.0.1/go.mod h1:w/5tugSrLEbWqlcgJabL3oHFKTwfvkofsjW2Qa1ct4U=
 github.com/multiformats/go-multihash v0.0.8 h1:wrYcW5yxSi3dU07n5jnuS5PrNwyHy0zRHGVoUugWvXg=
 github.com/multiformats/go-multihash v0.0.8/go.mod h1:YSLudS+Pi8NHE7o6tb3D8vrpKa63epEDmG8nTduyAew=
+github.com/multiformats/go-multihash v0.0.9 h1:aoijQXYYl7Xtb2pUUP68R+ys1TlnlR3eX6wmozr0Hp4=
+github.com/multiformats/go-multihash v0.0.9/go.mod h1:YSLudS+Pi8NHE7o6tb3D8vrpKa63epEDmG8nTduyAew=
 github.com/spaolacci/murmur3 v1.1.0 h1:7c1g84S4BPRrfL5Xrdp6fOJ206sU9y293DDHaoy0bLI=
 github.com/spaolacci/murmur3 v1.1.0/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
 golang.org/x/crypto v0.0.0-20190211182817-74369b46fc67 h1:ng3VDlRp5/DHpSWl02R4rM9I+8M2rhmsuLwAMmkLQWE=