diff --git a/.npmignore b/.npmignore
new file mode 100644
index 0000000000..672b7f7700
--- /dev/null
+++ b/.npmignore
@@ -0,0 +1,40 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directory
+node_modules
+
+# Optional npm cache directory
+.npm
+
+# Optional REPL history
+.node_repl_history
+
+# build
+# build  <-- we want this in the package
+build-tests
+
+# vscode
+.vscode
diff --git a/package.json b/package.json
index 9b29daffb7..3b7107b055 100644
--- a/package.json
+++ b/package.json
@@ -6,9 +6,13 @@
   "scripts": {
     "pretest": "rimraf ./build-tests && tsc -p ts/test-tsconfig.json",
     "test": "mocha ./build-tests --recursive",
-    "prepublish": "tsc -p ts",
+    "prepublishOnly": "tsc -p ts",
     "lint": "tslint --project ./ts"
   },
+  "files": [
+    "ts",
+    "build"
+  ],
   "repository": {
     "type": "git",
     "url": "git+https://github.com/dolanmiu/docx.git"