diff --git a/.eslintrc.cjs b/.eslintrc.cjs
index 71f0aea..add1dce 100644
--- a/.eslintrc.cjs
+++ b/.eslintrc.cjs
@@ -1,23 +1,24 @@
 module.exports = {
-  root: true,
-  env: {
-    browser: true,
-    node: true,
-    jest: true,
-  },
-  extends: [
-    'eslint:recommended',
-    'plugin:@typescript-eslint/eslint-recommended',
-    'plugin:@typescript-eslint/recommended',
-    'plugin:o1js/recommended',
-  ],
-  parser: '@typescript-eslint/parser',
-  parserOptions: {
-    ecmaVersion: 'latest',
-  },
-  plugins: ['@typescript-eslint', 'o1js'],
-  rules: {
-    'no-constant-condition': 'off',
-    'prefer-const': 'off',
-  },
+    root: true,
+    env: {
+        browser: true,
+        node: true,
+        jest: true,
+    },
+    extends: [
+        'eslint:recommended',
+        'plugin:@typescript-eslint/eslint-recommended',
+        'plugin:@typescript-eslint/recommended',
+        'plugin:o1js/recommended',
+    ],
+    parser: '@typescript-eslint/parser',
+    parserOptions: {
+        ecmaVersion: 'latest',
+    },
+    plugins: ['@typescript-eslint', 'o1js'],
+    ignorePatterns: ['*.sh', '*.md', '*.tgz'],
+    rules: {
+        'no-constant-condition': 'off',
+        'prefer-const': 'off',
+    },
 };
diff --git a/.gitignore b/.gitignore
index 9b5eded..e0ff910 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,6 @@
 # NodeJS
 node_modules
 build
-pkg
 coverage
 
 # Editor
diff --git a/.prettierignore b/.prettierignore
index c02e51f..d8cbeb3 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -5,6 +5,9 @@ coverage
 .husky
 *.yml
 
+# Packages
+*.tgz
+
 # Editor
 .vscode
 
diff --git a/package.json b/package.json
index dd79bbb..776524d 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "main": "./build/esm/src/index.js",
     "types": "./build/types/src/index.d.ts",
     "scripts": {
-        "build": "tsc --build tsconfig.json tsconfig.cjs.json tsconfig.types.json && ./fix-export.sh",
+        "build": "tsc --build tsconfig.esm.json tsconfig.cjs.json tsconfig.types.json && ./fix-export.sh",
         "buildw": "tsc --watch",
         "scripts": "tsc --build tsconfig.json tsconfig.cjs.json tsconfig.types.json && ./fix-export.sh && node",
         "coverage": "node --experimental-vm-modules node_modules/jest/bin/jest.js --coverage",
@@ -39,7 +39,7 @@
     ],
     "lint-staged": {
         "**/*": [
-            "eslint src/* --fix --ignore-pattern *.sh --ignore-pattern *.md",
+            "eslint src/* --fix",
             "prettier --write --ignore-unknown"
         ]
     },
diff --git a/pkg/o1js-0.17.0.tgz b/pkg/o1js-0.17.0.tgz
new file mode 100644
index 0000000..0916e0e
Binary files /dev/null and b/pkg/o1js-0.17.0.tgz differ
diff --git a/tsconfig.cjs.json b/tsconfig.cjs.json
index 4236e67..d1aea82 100644
--- a/tsconfig.cjs.json
+++ b/tsconfig.cjs.json
@@ -1,8 +1,8 @@
 {
-  "extends": "./tsconfig.json",
-  "compilerOptions": {
-    "outDir": "./build/cjs",
-    "module": "commonjs"
-  },
-  "include": ["./src"]
+    "extends": "./tsconfig.json",
+    "compilerOptions": {
+        "outDir": "./build/cjs",
+        "module": "commonjs"
+    },
+    "exclude": ["./src/**/*.test.ts"]
 }
diff --git a/tsconfig.esm.json b/tsconfig.esm.json
new file mode 100644
index 0000000..07db789
--- /dev/null
+++ b/tsconfig.esm.json
@@ -0,0 +1,4 @@
+{
+    "extends": "./tsconfig.json",
+    "exclude": ["./src/**/*.test.ts"]
+}
diff --git a/tsconfig.types.json b/tsconfig.types.json
index 61068d5..1fbfc7f 100644
--- a/tsconfig.types.json
+++ b/tsconfig.types.json
@@ -1,9 +1,9 @@
 {
-  "extends": "./tsconfig.json",
-  "compilerOptions": {
-    "outDir": "./build/types",
-    "declaration": true,
-    "emitDeclarationOnly": true
-  },
-  "include": ["./src"]
+    "extends": "./tsconfig.json",
+    "compilerOptions": {
+        "outDir": "./build/types",
+        "declaration": true,
+        "emitDeclarationOnly": true
+    },
+    "exclude": ["./src/**/*.test.ts"]
 }