diff --git a/edges.cabal b/edges.cabal
--- a/edges.cabal
+++ b/edges.cabal
@@ -1,5 +1,5 @@
 name: edges
-version: 0.11
+version: 0.11.0.1
 category: Graphs
 synopsis: Tools for efficient immutable graphs
 description: A set of tools for constructing immutable graphs which are both memory and performance-efficient.
@@ -37,6 +37,7 @@
   build-depends:
     base >=4.7 && <5,
     cereal >=0.5.5 && <0.6,
+    cereal-data-dword >=0.1.1 && <0.2,
     cereal-vector >=0.2.0.1 && <0.3,
     contravariant >=1.4 && <2,
     data-dword >=0.3.1.2 && <0.4,
diff --git a/library/Edges/Prelude.hs b/library/Edges/Prelude.hs
--- a/library/Edges/Prelude.hs
+++ b/library/Edges/Prelude.hs
@@ -155,6 +155,10 @@
 -------------------------
 import Data.Vector.Serialize ()
 
+-- cereal-data-dword
+-------------------------
+import Cereal.DataDWord.Serialize ()
+
 import qualified Data.Vector.Unboxed as UnboxedVector
 import qualified Data.Vector.Unboxed.Deriving as UnboxedVectorDeriving
 
@@ -225,10 +229,3 @@
   [| \ (Word256 a b) -> (a, b) |]
   [| \ (a, b) -> Word256 a b |]
 
-
--- * Instances for "cereal"
--------------------------
-
-instance Serialize Word96
-instance Serialize Word128
-instance Serialize Word256