diff --git a/.gitignore b/.gitignore
index dad3e7c..1362660 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,3 +29,5 @@ test/data/**/*.rt.actual.js
 test/data/**/*.code.js
 test/data/**/*.actual.html
 /package-lock.json
+/yarn.lock
+/yarn-error.log
diff --git a/package.json b/package.json
index e075401..cf95ef5 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "cheerio": "0.22.0",
     "css": "2.2.1",
     "escodegen": "1.8.1",
-    "esprima": "3.1.3",
+    "esprima": "4.0.0",
     "glob": "7.1.2",
     "lodash": "4.17.4",
     "normalize-html-whitespace": "0.2.0",
@@ -62,14 +62,12 @@
     "grunt-contrib-uglify": "3.0.1",
     "grunt-contrib-watch": "1.0.0",
     "grunt-eslint": "20.0.0",
-    "grunt-tape": "0.1.0",
     "istanbul": "0.4.5",
     "json-loader": "0.5.4",
     "mocha": "3.4.2",
     "react": "15.3.2",
     "react-dom": "15.3.2",
-    "react-native": "0.39.2",
-    "tape": "4.7.0",
+    "react-native": "0.45.1",
     "webpack": "3.0.0"
   },
   "keywords": [