diff --git a/angular/package.json b/angular/package.json
index f6384bb..cd66edf 100644
--- a/angular/package.json
+++ b/angular/package.json
@@ -25,7 +25,7 @@
     "@types/jquery": "^2.0.41",
     "@types/jquery.scrollto": "^1.4.27",
     "@types/jqueryui": "^1.11.32",
-    "bootstrap-sass": "^3.3.7",
+    "bootstrap-sass": "^3.4.1",
     "core-js": "^2.4.1",
     "ionicons": "^3.0.0",
     "jquery": "^3.2.1",
diff --git a/angular/yarn.lock b/angular/yarn.lock
index fcceea5..e0d196b 100644
--- a/angular/yarn.lock
+++ b/angular/yarn.lock
@@ -791,9 +791,9 @@ boom@2.x.x:
   dependencies:
     hoek "2.x.x"
 
-bootstrap-sass@^3.3.7:
-  version "3.3.7"
-  resolved "https://registry.yarnpkg.com/bootstrap-sass/-/bootstrap-sass-3.3.7.tgz#6596c7ab40f6637393323ab0bc80d064fc630498"
+bootstrap-sass@^3.4.1:
+  version "3.4.1"
+  resolved "https://registry.yarnpkg.com/bootstrap-sass/-/bootstrap-sass-3.4.1.tgz#6843c73b1c258a0ac5cb2cc6f6f5285b664a8e9a"
 
 boxen@1.0.0, boxen@^1.0.0:
   version "1.0.0"