diff --git a/CHANGELOG.md b/CHANGELOG.md
index b1955198..e4f7769a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,8 @@ This changelog contains changes starting from version v0.1.0
 
   Update registry interface so that a contract can be added as multiple types
 
+- Include constants and datatypes in npm package [#119](https://github.com/safe-global/safe-core-protocol/pull/119/files)
+
 # Version 0.2.1 Alpha
 
 ## Safe{Core} Protocol contracts
diff --git a/package.json b/package.json
index d8c36cea..852638d6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@safe-global/safe-core-protocol",
-  "version": "0.3.0-alpha.1",
+  "version": "0.3.0-alpha.2",
   "description": "Safe{Core} Protocol contracts",
   "main": "dist/deployments.js",
   "repository": {
@@ -12,8 +12,6 @@
   "files": [
     "contracts",
     "dist",
-    "scripts",
-    "test",
     "artifacts",
     "deployments.ts"
   ],
diff --git a/test/utils/dataTypes.ts b/src/utils/dataTypes.ts
similarity index 100%
rename from test/utils/dataTypes.ts
rename to src/utils/dataTypes.ts
diff --git a/tsconfig.json b/tsconfig.json
index 2fa02162..a262765d 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -6,7 +6,7 @@
       "allowJs": false /* Allow javascript files to be compiled. */,
       "declaration": true /* Generates corresponding '.d.ts' file. */,
       "sourceMap": false /* Generates corresponding '.map' file. */,
-      "outDir": "./dist" /* Redirect output structure to the directory. */,
+      "outDir": "dist" /* Redirect output structure to the directory. */,
       "strict": true /* Enable all strict type-checking options. */,
       "noUnusedParameters": true /* Report errors on unused parameters. */,
       "noImplicitReturns": true /* Report error when not all code paths in function return a value. */,
@@ -18,6 +18,6 @@
       "resolveJsonModule": true
   },
   "exclude": ["dist", "node_modules"],
-  "include": ["./src/index.ts", "./types", "./test/**/*", "./**/*.ts"],
-  "files": ["./deployments.ts"]
+  "include": ["./types", "./test/**/*", "./**/*.ts"],
+  "files": ["./deployments.ts", "./src/utils/constants.ts", "./src/utils/dataTypes.ts"]
 }