diff --git a/demo/package.json b/demo/package.json
index dddca7a..9878f23 100644
--- a/demo/package.json
+++ b/demo/package.json
@@ -21,7 +21,7 @@
     "@angular/platform-browser": "^6.0.3",
     "@angular/platform-browser-dynamic": "^6.0.3",
     "@angular/router": "^6.0.3",
-    "bootstrap": "~4.1.1",
+    "bootstrap": "~4.3.1",
     "core-js": "^2.5.4",
     "ngx-type-ahead": "^2.0.0",
     "rxjs": "^6.0.0",
diff --git a/demo/yarn.lock b/demo/yarn.lock
index b4d1c4a..2418626 100644
--- a/demo/yarn.lock
+++ b/demo/yarn.lock
@@ -958,9 +958,10 @@ boom@2.x.x:
   dependencies:
     hoek "2.x.x"
 
-bootstrap@~4.1.1:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/bootstrap/-/bootstrap-4.1.1.tgz#3aec85000fa619085da8d2e4983dfd67cf2114cb"
+bootstrap@~4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/bootstrap/-/bootstrap-4.3.1.tgz#280ca8f610504d99d7b6b4bfc4b68cec601704ac"
+  integrity sha512-rXqOmH1VilAt2DyPzluTi2blhk17bO7ef+zLLPlWvG494pDxcM234pJ8wTc/6R40UWizAIIMgxjvxZg5kmsbag==
 
 brace-expansion@^1.1.7:
   version "1.1.11"
@@ -1467,7 +1468,7 @@ compressible@~2.0.13:
 
 compression@^1.5.2:
   version "1.7.2"
-  resolved "http://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
+  resolved "https://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
   dependencies:
     accepts "~1.3.4"
     bytes "3.0.0"