diff --git a/.gitignore b/.gitignore
index 2ce286a93..6b1bd6025 100644
--- a/.gitignore
+++ b/.gitignore
@@ -48,6 +48,9 @@ typings/
 # Optional eslint cache
 .eslintcache
 
+# Build cache
+tsconfig.tsbuildinfo
+
 # Optional REPL history
 .node_repl_history
 
diff --git a/.npmignore b/.npmignore
index 1b4d40b54..aaaeaa699 100644
--- a/.npmignore
+++ b/.npmignore
@@ -8,6 +8,7 @@ coverage
 .codeclimate.yml
 .github
 babel.config.js
+tsconfig.tsbuildinfo
 
 #linters
 .jscsrc
diff --git a/package.json b/package.json
index 96a96029c..b3754e822 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,9 @@
     "start": "node index.js",
     "test-with-coverage": "jest test --coverage",
     "test": "jest test",
-    "test-watch": "jest test --watch"
+    "test-watch": "jest test --watch",
+    "clean": "rimraf coverage dist tsconfig.tsbuildinfo",
+    "prepack": "npm run clean && npm run build"
   },
   "author": "Koen Kanters",
   "license": "GPL-3.0",
diff --git a/tsconfig.json b/tsconfig.json
index 5b00b2a58..92c17644c 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -15,7 +15,8 @@
         "rootDir": "lib",
         "inlineSourceMap": true,
         "resolveJsonModule": true,
-        "experimentalDecorators": true
+        "experimentalDecorators": true,
+        "incremental": true
     },
     "include": [
         "lib/**/*",