diff --git a/codecs/oxipng/Cargo.lock b/codecs/oxipng/Cargo.lock
index b3d587f8..3e61cb0a 100644
--- a/codecs/oxipng/Cargo.lock
+++ b/codecs/oxipng/Cargo.lock
@@ -347,13 +347,13 @@ checksum = "260e51e7efe62b592207e9e13a68e43692a7a279171d6ba57abd208bf23645ad"
 [[package]]
 name = "oxipng"
 version = "3.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5687a277f33b5fe5ee2ff5ceab4417885a428a1a938e944aa7df9d7e58c35762"
+source = "git+https://github.com/RReverser/oxipng?branch=crossbeam#d0f86d2e84eb55b423b8ad194a176e71ba3aa2c3"
 dependencies = [
  "bit-vec",
  "byteorder",
  "cloudflare-zlib",
  "crc",
+ "crossbeam-channel",
  "image",
  "indexmap",
  "itertools",
diff --git a/codecs/oxipng/Cargo.toml b/codecs/oxipng/Cargo.toml
index 809a5de4..e9353e63 100644
--- a/codecs/oxipng/Cargo.toml
+++ b/codecs/oxipng/Cargo.toml
@@ -16,6 +16,9 @@ rayon = { version = "1.3.0", optional = true }
 once_cell = { version = "1.3.1", optional = true }
 crossbeam-channel = { version = "0.4.2", optional = true }
 
+[patch.crates-io]
+oxipng = { git = "https://github.com/RReverser/oxipng", branch = "crossbeam" }
+
 [profile.release]
 lto = true
 opt-level = "s"
@@ -24,4 +27,4 @@ opt-level = "s"
 parallel = ["oxipng/parallel", "rayon", "crossbeam-channel", "once_cell"]
 
 [package.metadata.wasm-pack.profile.release]
-wasm-opt = false
+wasm-opt = ["-O", "--no-validation"]
diff --git a/codecs/oxipng/pkg-parallel/squoosh_oxipng.d.ts b/codecs/oxipng/pkg-parallel/squoosh_oxipng.d.ts
index fdd04965..b544f846 100644
--- a/codecs/oxipng/pkg-parallel/squoosh_oxipng.d.ts
+++ b/codecs/oxipng/pkg-parallel/squoosh_oxipng.d.ts
@@ -1,12 +1,6 @@
 /* tslint:disable */
 /* eslint-disable */
 /**
-* @param {Uint8Array} data
-* @param {number} level
-* @returns {Uint8Array}
-*/
-export function optimise(data: Uint8Array, level: number): Uint8Array;
-/**
 * @param {number} num
 * @returns {any}
 */
@@ -17,16 +11,22 @@ export function start_main_thread(): void;
 /**
 */
 export function start_worker_thread(): void;
+/**
+* @param {Uint8Array} data
+* @param {number} level
+* @returns {Uint8Array}
+*/
+export function optimise(data: Uint8Array, level: number): Uint8Array;
 
 export type InitInput = RequestInfo | URL | Response | BufferSource | WebAssembly.Module;
 
 export interface InitOutput {
-  readonly optimise: (a: number, b: number, c: number, d: number) => void;
   readonly malloc: (a: number) => number;
   readonly free: (a: number) => void;
   readonly worker_initializer: (a: number) => number;
   readonly start_main_thread: () => void;
   readonly start_worker_thread: () => void;
+  readonly optimise: (a: number, b: number, c: number, d: number) => void;
   readonly __wbindgen_export_0: WebAssembly.Memory;
   readonly __wbindgen_malloc: (a: number) => number;
   readonly __wbindgen_free: (a: number, b: number) => void;
diff --git a/codecs/oxipng/pkg-parallel/squoosh_oxipng.js b/codecs/oxipng/pkg-parallel/squoosh_oxipng.js
index 0988144b..9a2a1a86 100644
--- a/codecs/oxipng/pkg-parallel/squoosh_oxipng.js
+++ b/codecs/oxipng/pkg-parallel/squoosh_oxipng.js
@@ -33,6 +33,40 @@ function getStringFromWasm0(ptr, len) {
     return cachedTextDecoder.decode(getUint8Memory0().slice(ptr, ptr + len));
 }
 
+function getObject(idx) { return heap[idx]; }
+
+function dropObject(idx) {
+    if (idx < 36) return;
+    heap[idx] = heap_next;
+    heap_next = idx;
+}
+
+function takeObject(idx) {
+    const ret = getObject(idx);
+    dropObject(idx);
+    return ret;
+}
+/**
+* @param {number} num
+* @returns {any}
+*/
+export function worker_initializer(num) {
+    var ret = wasm.worker_initializer(num);
+    return takeObject(ret);
+}
+
+/**
+*/
+export function start_main_thread() {
+    wasm.start_main_thread();
+}
+
+/**
+*/
+export function start_worker_thread() {
+    wasm.start_worker_thread();
+}
+
 let WASM_VECTOR_LEN = 0;
 
 function passArray8ToWasm0(arg, malloc) {
@@ -75,40 +109,6 @@ export function optimise(data, level) {
     }
 }
 
-function getObject(idx) { return heap[idx]; }
-
-function dropObject(idx) {
-    if (idx < 36) return;
-    heap[idx] = heap_next;
-    heap_next = idx;
-}
-
-function takeObject(idx) {
-    const ret = getObject(idx);
-    dropObject(idx);
-    return ret;
-}
-/**
-* @param {number} num
-* @returns {any}
-*/
-export function worker_initializer(num) {
-    var ret = wasm.worker_initializer(num);
-    return takeObject(ret);
-}
-
-/**
-*/
-export function start_main_thread() {
-    wasm.start_main_thread();
-}
-
-/**
-*/
-export function start_worker_thread() {
-    wasm.start_worker_thread();
-}
-
 async function load(module, imports, maybe_memory) {
     if (typeof Response === 'function' && module instanceof Response) {
         memory = imports.wbg.memory = new WebAssembly.Memory({initial:17,maximum:16384,shared:true});
diff --git a/codecs/oxipng/pkg-parallel/squoosh_oxipng_bg.wasm b/codecs/oxipng/pkg-parallel/squoosh_oxipng_bg.wasm
index 9f4559a0..d74672e6 100644
Binary files a/codecs/oxipng/pkg-parallel/squoosh_oxipng_bg.wasm and b/codecs/oxipng/pkg-parallel/squoosh_oxipng_bg.wasm differ
diff --git a/codecs/oxipng/pkg-parallel/squoosh_oxipng_bg.wasm.d.ts b/codecs/oxipng/pkg-parallel/squoosh_oxipng_bg.wasm.d.ts
index e4189249..fb600d81 100644
--- a/codecs/oxipng/pkg-parallel/squoosh_oxipng_bg.wasm.d.ts
+++ b/codecs/oxipng/pkg-parallel/squoosh_oxipng_bg.wasm.d.ts
@@ -1,11 +1,11 @@
 /* tslint:disable */
 /* eslint-disable */
-export function optimise(a: number, b: number, c: number, d: number): void;
 export function malloc(a: number): number;
 export function free(a: number): void;
 export function worker_initializer(a: number): number;
 export function start_main_thread(): void;
 export function start_worker_thread(): void;
+export function optimise(a: number, b: number, c: number, d: number): void;
 export const __wbindgen_export_0: WebAssembly.Memory;
 export function __wbindgen_malloc(a: number): number;
 export function __wbindgen_free(a: number, b: number): void;
diff --git a/codecs/oxipng/pkg/squoosh_oxipng_bg.wasm b/codecs/oxipng/pkg/squoosh_oxipng_bg.wasm
index add80603..34f4f5a2 100644
Binary files a/codecs/oxipng/pkg/squoosh_oxipng_bg.wasm and b/codecs/oxipng/pkg/squoosh_oxipng_bg.wasm differ