diff --git a/package.json b/package.json
index f72946a..4f3fdc0 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "@angular/platform-browser-dynamic": "2.4.7",
     "@angular/router": "3.4.7",
     "angularfire2": "^2.0.0-beta.7",
-    "bootstrap": "3.3.7",
+    "bootstrap": "^4.1.3",
     "core-js": "2.4.1",
     "firebase": "3.6.9",
     "ng2-bootstrap": "^1.3.3",