diff --git a/.gitignore b/.gitignore
index 171c28f..9fe5f39 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@ npm-debug.log
 *.iml
 .cache
 .sublimelinterrc
+tsconfig.tsbuildinfo
diff --git a/tsconfig.json b/tsconfig.json
index 7d651e9..84dfe98 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -4,7 +4,8 @@
     "allowJs": true,
     "checkJs": true,
     "declaration": true,
-    "noEmit": true
+    "noEmit": true,
+    "incremental": true
   },
   "include": ["lib/", "tests/index.spec.js"]
 }