diff --git a/.github/workflows/publish-ts-sdk.yml b/.github/workflows/publish-ts-sdk.yml
index b1e733355..0e87b4050 100644
--- a/.github/workflows/publish-ts-sdk.yml
+++ b/.github/workflows/publish-ts-sdk.yml
@@ -25,7 +25,6 @@ jobs:
           registry-url: 'https://registry.npmjs.org/'
 
       - name: Install dependencies
-        working-directory: packages/ts-sdk
         run: bun install
 
       - name: Run tests
diff --git a/packages/ts-sdk/package.json b/packages/ts-sdk/package.json
index 41e040b5a..ff470958d 100644
--- a/packages/ts-sdk/package.json
+++ b/packages/ts-sdk/package.json
@@ -2,6 +2,7 @@
   "name": "simstudio-ts-sdk",
   "version": "0.1.0",
   "description": "Sim SDK - Execute workflows programmatically",
+  "type": "module",
   "main": "dist/index.js",
   "module": "dist/index.js",
   "types": "dist/index.d.ts",
diff --git a/packages/ts-sdk/tsconfig.json b/packages/ts-sdk/tsconfig.json
index 465038368..a2d0612dd 100644
--- a/packages/ts-sdk/tsconfig.json
+++ b/packages/ts-sdk/tsconfig.json
@@ -1,7 +1,7 @@
 {
   "compilerOptions": {
     "target": "ES2020",
-    "module": "commonjs",
+    "module": "ES2020",
     "lib": ["ES2020"],
     "outDir": "./dist",
     "rootDir": "./src",
diff --git a/packages/ts-sdk/vitest.config.ts b/packages/ts-sdk/vitest.config.ts
index 3e442d377..66e210cbe 100644
--- a/packages/ts-sdk/vitest.config.ts
+++ b/packages/ts-sdk/vitest.config.ts
@@ -8,4 +8,7 @@ export default defineConfig({
     include: ['src/**/*.test.{ts,tsx}', 'tests/**/*.test.{ts,tsx}'],
     exclude: ['**/node_modules/**', '**/dist/**'],
   },
+  resolve: {
+    conditions: ['node', 'default'],
+  },
 })