diff --git a/package.json b/package.json
index b2c90f1..16b1bd1 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "aurelia-fetch-client": "^1.1.2",
     "aurelia-http-client": "^1.1.1",
     "bluebird": "^3.4.1",
-    "bootstrap": "^3.3.7",
+    "bootstrap": "^4.0.0",
     "http-server": "^0.10.0",
     "jquery": "^2.2.4",
     "nprogress": "^0.2.0",