diff --git a/package-lock.json b/package-lock.json
index b1ab67e..6a5e248 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@cygnus-wealth/data-models",
-  "version": "1.1.1",
+  "version": "1.1.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@cygnus-wealth/data-models",
-      "version": "1.1.1",
+      "version": "1.1.2",
       "license": "ISC",
       "devDependencies": {
         "@eslint/js": "^9.32.0",
diff --git a/package.json b/package.json
index 8fd27f1..b05ad23 100644
--- a/package.json
+++ b/package.json
@@ -1,49 +1,59 @@
 {
   "name": "@cygnus-wealth/data-models",
-  "version": "1.1.1",
+  "version": "1.1.2",
   "description": "Shared TypeScript data models for CygnusWealth project",
-  "main": "dist/index.js",
+  "main": "dist/cjs/index.js",
+  "module": "dist/index.js",
   "types": "dist/index.d.ts",
   "exports": {
     ".": {
       "types": "./dist/index.d.ts",
-      "import": "./dist/index.js"
+      "import": "./dist/index.js",
+      "require": "./dist/cjs/index.js"
     },
     "./enums/AssetType": {
       "types": "./dist/enums/AssetType.d.ts",
-      "import": "./dist/enums/AssetType.js"
+      "import": "./dist/enums/AssetType.js",
+      "require": "./dist/cjs/enums/AssetType.js"
     },
     "./enums/Chain": {
       "types": "./dist/enums/Chain.d.ts",
-      "import": "./dist/enums/Chain.js"
+      "import": "./dist/enums/Chain.js",
+      "require": "./dist/cjs/enums/Chain.js"
     },
     "./enums/IntegrationSource": {
       "types": "./dist/enums/IntegrationSource.d.ts",
-      "import": "./dist/enums/IntegrationSource.js"
+      "import": "./dist/enums/IntegrationSource.js",
+      "require": "./dist/cjs/enums/IntegrationSource.js"
     },
     "./enums/TransactionType": {
       "types": "./dist/enums/TransactionType.d.ts",
-      "import": "./dist/enums/TransactionType.js"
+      "import": "./dist/enums/TransactionType.js",
+      "require": "./dist/cjs/enums/TransactionType.js"
     },
     "./enums/AccountType": {
       "types": "./dist/enums/AccountType.d.ts",
-      "import": "./dist/enums/AccountType.js"
+      "import": "./dist/enums/AccountType.js",
+      "require": "./dist/cjs/enums/AccountType.js"
     },
     "./enums/LendingPositionType": {
       "types": "./dist/enums/LendingPositionType.d.ts",
-      "import": "./dist/enums/LendingPositionType.js"
+      "import": "./dist/enums/LendingPositionType.js",
+      "require": "./dist/cjs/enums/LendingPositionType.js"
     },
     "./interfaces/*": {
       "types": "./dist/interfaces/*.d.ts",
-      "import": "./dist/interfaces/*.js"
+      "import": "./dist/interfaces/*.js",
+      "require": "./dist/cjs/interfaces/*.js"
     },
     "./types/*": {
       "types": "./dist/types/*.d.ts",
-      "import": "./dist/types/*.js"
+      "import": "./dist/types/*.js",
+      "require": "./dist/cjs/types/*.js"
     }
   },
   "scripts": {
-    "build": "tsc",
+    "build": "tsc && tsc -p tsconfig.cjs.json && echo '{\"type\":\"commonjs\"}' > dist/cjs/package.json",
     "test": "vitest",
     "test:run": "vitest --run",
     "test:coverage": "vitest --coverage --run",
diff --git a/tsconfig.cjs.json b/tsconfig.cjs.json
new file mode 100644
index 0000000..3b34abb
--- /dev/null
+++ b/tsconfig.cjs.json
@@ -0,0 +1,8 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "module": "CommonJS",
+    "outDir": "./dist/cjs",
+    "declaration": false
+  }
+}