diff --git a/deno.jsonc b/deno.jsonc
index 76e22be..734e841 100644
--- a/deno.jsonc
+++ b/deno.jsonc
@@ -1,6 +1,6 @@
 {
   "name": "@denosaurs/netsaur",
-  "version": "0.3.2-patch3",
+  "version": "0.4.0",
   "exports": {
     ".": "./mod.ts",
     "./web": "./web.ts",
diff --git a/mod.ts b/mod.ts
index 5b77cd7..2e4c352 100644
--- a/mod.ts
+++ b/mod.ts
@@ -1,17 +1,23 @@
-export { setupBackend } from "./packages/core/core/engine.ts";
-export * from "./packages/core/core/mod.ts";
-export * from "./packages/core/core/types.ts";
-export * from "./packages/core/core/tensor/tensor.ts";
-export * from "./packages/core/core/api/layers.ts";
-export * from "./packages/core/core/api/shape.ts";
-export * from "./packages/core/core/api/network.ts";
-export * from "./packages/core/core/api/optimizer.ts";
-export * from "./packages/core/core/api/scheduler.ts";
-export { GPU } from "./packages/core/backends/gpu/mod.ts";
+export { setupBackend } from "./packages/core/src/core/engine.ts";
+export * from "./packages/core/src/core/mod.ts";
+export * from "./packages/core/src/core/types.ts";
+export * from "./packages/core/src/core/tensor/tensor.ts";
+export * from "./packages/core/src/core/api/layers.ts";
+export * from "./packages/core/src/core/api/shape.ts";
+export * from "./packages/core/src/core/api/network.ts";
+export * from "./packages/core/src/core/api/optimizer.ts";
+export * from "./packages/core/src/core/api/scheduler.ts";
+export { GPU } from "./packages/core/src/backends/gpu/mod.ts";
 
-import { CPU, type CPUBackendLoader } from "./packages/core/backends/cpu/mod.ts";
-import { WASM, type WASMBackendLoader } from "./packages/core/backends/wasm/mod.ts";
-import type { BackendLoader } from "./packages/core/core/engine.ts";
+import {
+  CPU,
+  type CPUBackendLoader,
+} from "./packages/core/src/backends/cpu/mod.ts";
+import {
+  WASM,
+  type WASMBackendLoader,
+} from "./packages/core/src/backends/wasm/mod.ts";
+import type { BackendLoader } from "./packages/core/src/core/engine.ts";
 
 onerror = () => {
   if (typeof Deno == "undefined") {
diff --git a/visualizer/mod.ts b/packages/visualizer/mod.ts
similarity index 95%
rename from visualizer/mod.ts
rename to packages/visualizer/mod.ts
index bc57fe9..6f0199b 100644
--- a/visualizer/mod.ts
+++ b/packages/visualizer/mod.ts
@@ -1,4 +1,4 @@
-import type { NeuralNetwork, Rank, Tensor } from "../mod.ts";
+import type { NeuralNetwork, Rank, Tensor } from "../../mod.ts";
 import type { Line } from "./types.ts";
 
 /**
diff --git a/visualizer/types.ts b/packages/visualizer/types.ts
similarity index 100%
rename from visualizer/types.ts
rename to packages/visualizer/types.ts
diff --git a/web.ts b/web.ts
index 8760c53..4239521 100644
--- a/web.ts
+++ b/web.ts
@@ -1,10 +1,10 @@
-export { setupBackend } from "./packages/core/core/engine.ts";
-export * from "./packages/core/core/mod.ts";
-export * from "./packages/core/core/types.ts";
-export * from "./packages/core/core/tensor/tensor.ts";
-export * from "./packages/core/core/api/layers.ts";
-export * from "./packages/core/core/api/shape.ts";
-export * from "./packages/core/core/api/network.ts";
-export * from "./packages/core/core/api/optimizer.ts";
+export { setupBackend } from "./packages/core/src/core/engine.ts";
+export * from "./packages/core/src/core/mod.ts";
+export * from "./packages/core/src/core/types.ts";
+export * from "./packages/core/src/core/tensor/tensor.ts";
+export * from "./packages/core/src/core/api/layers.ts";
+export * from "./packages/core/src/core/api/shape.ts";
+export * from "./packages/core/src/core/api/network.ts";
+export * from "./packages/core/src/core/api/optimizer.ts";
 
-export { WASM } from "./packages/core/backends/wasm/mod.ts";
+export { WASM } from "./packages/core/src/backends/wasm/mod.ts";