diff --git a/package-lock.json b/package-lock.json
index d86937b..d425273 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6,11 +6,11 @@
   "packages": {
     "": {
       "name": "@socket.io/redis-emitter",
-      "version": "4.1.0",
+      "version": "4.1.1",
       "license": "MIT",
       "dependencies": {
         "debug": "~4.3.1",
-        "notepack.io": "~2.1.0",
+        "notepack.io": "~3.0.1",
         "socket.io-parser": "~4.0.4"
       },
       "devDependencies": {
@@ -1957,9 +1957,9 @@
       }
     },
     "node_modules/notepack.io": {
-      "version": "2.1.3",
-      "resolved": "https://registry.npmjs.org/notepack.io/-/notepack.io-2.1.3.tgz",
-      "integrity": "sha512-AgSt+cP5XMooho1Ppn8NB3FFaVWefV+qZoZncYTUSch2GAEwlYLcIIbT5YVkMlFeNHnfwOvc4HDlbvrB5BRxXA=="
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/notepack.io/-/notepack.io-3.0.1.tgz",
+      "integrity": "sha512-TKC/8zH5pXIAMVQio2TvVDTtPRX+DJPHDqjRbxogtFiByHyzKmy96RA0JtCQJ+WouyyL4A10xomQzgbUT+1jCg=="
     },
     "node_modules/nyc": {
       "version": "15.1.0",
@@ -4374,9 +4374,9 @@
       "dev": true
     },
     "notepack.io": {
-      "version": "2.1.3",
-      "resolved": "https://registry.npmjs.org/notepack.io/-/notepack.io-2.1.3.tgz",
-      "integrity": "sha512-AgSt+cP5XMooho1Ppn8NB3FFaVWefV+qZoZncYTUSch2GAEwlYLcIIbT5YVkMlFeNHnfwOvc4HDlbvrB5BRxXA=="
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/notepack.io/-/notepack.io-3.0.1.tgz",
+      "integrity": "sha512-TKC/8zH5pXIAMVQio2TvVDTtPRX+DJPHDqjRbxogtFiByHyzKmy96RA0JtCQJ+WouyyL4A10xomQzgbUT+1jCg=="
     },
     "nyc": {
       "version": "15.1.0",
diff --git a/package.json b/package.json
index 352c937..7abeb3d 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
   },
   "dependencies": {
     "debug": "~4.3.1",
-    "notepack.io": "~2.1.0",
+    "notepack.io": "~3.0.1",
     "socket.io-parser": "~4.0.4"
   },
   "devDependencies": {
diff --git a/test/index.ts b/test/index.ts
index 5cda7c5..9171465 100644
--- a/test/index.ts
+++ b/test/index.ts
@@ -96,6 +96,34 @@ describe("emitter", () => {
     });
   });
 
+  it("should support the toJSON() method", (done) => {
+    // @ts-ignore
+    BigInt.prototype.toJSON = function () {
+      return String(this);
+    };
+
+    // @ts-ignore
+    Set.prototype.toJSON = function () {
+      return [...this];
+    };
+
+    class MyClass {
+      toJSON() {
+        return 4;
+      }
+    }
+
+    // @ts-ignore
+    emitter.emit("payload", 1n, new Set(["2", 3]), new MyClass());
+
+    clientSockets[0].on("payload", (a, b, c) => {
+      expect(a).to.eql("1");
+      expect(b).to.eql(["2", 3]);
+      expect(c).to.eql(4);
+      done();
+    });
+  });
+
   it("should support all broadcast modifiers", () => {
     emitter.in(["room1", "room2"]).emit("test");
     emitter.except(["room4", "room5"]).emit("test");