diff --git a/client/package.json b/client/package.json
index 84241afbc..94e1855a7 100644
--- a/client/package.json
+++ b/client/package.json
@@ -79,7 +79,7 @@
     "@angular/service-worker": "~7.0.2",
     "@angularclass/hmr": "^2.1.3",
     "@neos21/bootstrap3-glyphicons": "^1.0.1",
-    "@ng-bootstrap/ng-bootstrap": "^3.1.0",
+    "@ng-bootstrap/ng-bootstrap": "^4.0.0",
     "@ngx-loading-bar/core": "^2.2.0",
     "@ngx-loading-bar/http-client": "^2.2.0",
     "@ngx-loading-bar/router": "^2.2.0",