diff --git a/components/clarinet-sdk/package.json b/components/clarinet-sdk/package.json
index e0ca31853..8f882ed62 100644
--- a/components/clarinet-sdk/package.json
+++ b/components/clarinet-sdk/package.json
@@ -1,6 +1,6 @@
 {
   "name": "obscurity-sdk",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "description": "clarity testing lib",
   "repository": {
     "type": "git",
@@ -9,10 +9,12 @@
   "files": [
     "dist"
   ],
+  "main": "dist/cjs/index.js",
   "module": "dist/esm/index.mjs",
   "exports": {
     ".": {
-      "import": "./dist/esm/index.mjs"
+      "import": "./dist/esm/index.mjs",
+      "require": "./dist/cjs/index.js"
     }
   },
   "scripts": {
diff --git a/components/clarinet-sdk/src-ts/index.ts b/components/clarinet-sdk/src-ts/index.ts
index 897ca8c48..0c99dcade 100644
--- a/components/clarinet-sdk/src-ts/index.ts
+++ b/components/clarinet-sdk/src-ts/index.ts
@@ -2,9 +2,10 @@ import { Cl, ClarityValue } from "@stacks/transactions";
 
 import { vfs } from "./vfs";
 import type { ContractInterface } from "./contractInterface";
-import { SDK, CallContractArgs } from "./sdk";
 
-const rustSDK = import("./sdk");
+import type { SDK } from "./sdk";
+type WASMModule = typeof import("./sdk");
+const wasmModule = import("./sdk");
 
 type CallFn = (
   contract: string,
@@ -20,9 +21,7 @@ type GetMapEntry = (contract: string, mapName: string, mapKey: ClarityValue) =>
 type GetAssetsMap = () => Map<string, Map<string, bigint>>;
 type GetAccounts = () => Map<string, string>;
 
-// because we use a proxy around the test session,
-// the type need to be hardcoded
-// is there a better way than this nested ternary?
+// because the session is wrapped in a proxy the types need to be hardcoded
 export type ClarityVM = {
   [K in keyof SDK]: K extends "callReadOnlyFn" | "callPublicFn"
     ? CallFn
@@ -39,7 +38,7 @@ export type ClarityVM = {
     : SDK[K];
 };
 
-const sessionProxy = {
+const getSessionProxy = (wasm: WASMModule) => ({
   get(session: SDK, prop: keyof SDK, receiver: any) {
     // some of the WASM methods are proxied here to:
     // - serialize clarity values input argument
@@ -48,7 +47,7 @@ const sessionProxy = {
     if (prop === "callReadOnlyFn" || prop === "callPublicFn") {
       const callFn: CallFn = (contract, method, args, sender) => {
         const response = session[prop](
-          new CallContractArgs(
+          new wasm.CallContractArgs(
             contract,
             method,
             args.map((a) => Cl.serialize(a))
@@ -90,16 +89,26 @@ const sessionProxy = {
 
     return Reflect.get(session, prop, receiver);
   },
-};
+});
 
 // load wasm only once and memoize it
 function memoizedInit() {
   let vm: ClarityVM | null = null;
   return async (manifestPath = "./Clarinet.toml") => {
-    await rustSDK;
+    const module = await wasmModule;
+
+    // handle both CJS and ESM context
+    // in CJS: `module.default` is a promise resolving
+    // in ESM: `module` is directly the
+    // @ts-ignore
+    let wasm: WASMModule =
+      typeof module.default === "undefined"
+        ? (module as unknown as WASMModule)
+        : await module.default;
+
     if (!vm) {
       console.log("init clarity vm");
-      vm = new Proxy(new SDK(vfs), sessionProxy) as unknown as ClarityVM;
+      vm = new Proxy(new wasm.SDK(vfs), getSessionProxy(wasm)) as unknown as ClarityVM;
     }
     // start a new session
     await vm.initSession(process.cwd(), manifestPath);
diff --git a/components/clarinet-sdk/tsconfig.base.json b/components/clarinet-sdk/tsconfig.base.json
index 353784170..9b26c41c8 100644
--- a/components/clarinet-sdk/tsconfig.base.json
+++ b/components/clarinet-sdk/tsconfig.base.json
@@ -2,7 +2,7 @@
   "compilerOptions": {
     // outdir, module and target are defined in esm and cjs configs
 
-    "lib": ["es6"],
+    "lib": ["es2022"],
 
     "moduleResolution": "Node",
     "rootDir": "src-ts",
diff --git a/components/clarinet-sdk/webpack.config.js b/components/clarinet-sdk/webpack.config.js
index 6e514fbcf..222360e09 100644
--- a/components/clarinet-sdk/webpack.config.js
+++ b/components/clarinet-sdk/webpack.config.js
@@ -75,11 +75,10 @@ const configCJS = {
   plugins: [
     new WasmPackPlugin({
       crateDirectory: path.resolve(__dirname, "./"),
-      extraArgs: "--release --target=web",
+      extraArgs: "--release --target=bundler",
       outDir: path.resolve(__dirname, "./src-ts/sdk"),
     }),
   ],
 };
 
-module.exports = [configESM];
-// module.exports = [configESM, configCJS];
+module.exports = [configESM, configCJS];