diff --git a/src/pack/index.ts b/src/pack/index.ts
index 00c3499..359e4ac 100644
--- a/src/pack/index.ts
+++ b/src/pack/index.ts
@@ -11,6 +11,7 @@ export type { ImportCandidateStream }
 import { Blockstore } from '../blockstore'
 import { MemoryBlockStore } from '../blockstore/memory'
 import { unixfsImporterOptionsDefault } from './constants'
+import { CIDVersion } from "multiformats/types/src/cid";
 
 export interface PackProperties {
   input: ImportCandidateStream | ImportCandidate,
@@ -24,9 +25,10 @@ export interface PackProperties {
    * Use raw codec for leaf nodes. Default: true.
    */
   rawLeaves?: boolean
+  cidVersion?: CIDVersion | undefined
 }
 
-export async function pack ({ input, blockstore: userBlockstore, hasher, maxChunkSize, maxChildrenPerNode, wrapWithDirectory, rawLeaves }: PackProperties) {
+export async function pack ({ input, blockstore: userBlockstore, hasher, maxChunkSize, maxChildrenPerNode, wrapWithDirectory, rawLeaves, cidVersion }: PackProperties) {
   if (!input || (Array.isArray(input) && !input.length)) {
     throw new Error('missing input file(s)')
   }
@@ -42,7 +44,8 @@ export async function pack ({ input, blockstore: userBlockstore, hasher, maxChun
       maxChunkSize: maxChunkSize || unixfsImporterOptionsDefault.maxChunkSize,
       maxChildrenPerNode: maxChildrenPerNode || unixfsImporterOptionsDefault.maxChildrenPerNode,
       wrapWithDirectory: wrapWithDirectory === false ? false : unixfsImporterOptionsDefault.wrapWithDirectory,
-      rawLeaves: rawLeaves == null ? unixfsImporterOptionsDefault.rawLeaves : rawLeaves
+      rawLeaves: rawLeaves == null ? unixfsImporterOptionsDefault.rawLeaves : rawLeaves,
+      cidVersion: typeof cidVersion === "number" ? cidVersion : unixfsImporterOptionsDefault.cidVersion
     })
   ))
 
diff --git a/src/pack/stream.ts b/src/pack/stream.ts
index dd91eb5..d5f9704 100644
--- a/src/pack/stream.ts
+++ b/src/pack/stream.ts
@@ -21,7 +21,8 @@ export interface PackToStreamProperties extends PackProperties {
 }
 
 // Node version of toCar with Node Stream Writable
-export async function packToStream ({ input, writable, blockstore: userBlockstore, hasher, maxChunkSize, maxChildrenPerNode, wrapWithDirectory, rawLeaves, customStreamSink }: PackToStreamProperties) {
+
+export async function packToStream ({ input, writable, blockstore: userBlockstore, hasher, maxChunkSize, maxChildrenPerNode, wrapWithDirectory, rawLeaves, customStreamSink, cidVersion }: PackToStreamProperties) {
   if (!input || (Array.isArray(input) && !input.length)) {
     throw new Error('given input could not be parsed correctly')
   }
@@ -39,7 +40,8 @@ export async function packToStream ({ input, writable, blockstore: userBlockstor
       maxChunkSize: maxChunkSize || unixfsImporterOptionsDefault.maxChunkSize,
       maxChildrenPerNode: maxChildrenPerNode || unixfsImporterOptionsDefault.maxChildrenPerNode,
       wrapWithDirectory: wrapWithDirectory === false ? false : unixfsImporterOptionsDefault.wrapWithDirectory,
-      rawLeaves: rawLeaves == null ? unixfsImporterOptionsDefault.rawLeaves : rawLeaves
+      rawLeaves: rawLeaves == null ? unixfsImporterOptionsDefault.rawLeaves : rawLeaves,
+      cidVersion: typeof cidVersion === "number" ? cidVersion : unixfsImporterOptionsDefault.cidVersion
     }),
     customStreamSink ? customStreamSink : (sources: AsyncGenerator<ImportResult, void, unknown>) => sources
   ))