diff --git a/package.json b/package.json
index a99cc62..f745dff 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "angular": "^1.5.3",
     "bluebird": "^2.0.7",
     "body-parser": "^1.15.0",
-    "bootstrap": "^3.3.6",
+    "bootstrap": "^4.0.0",
     "express": "^4.13.4",
     "jade": "^1.11.0",
     "jquery": "^2.2.3",