diff --git a/package.json b/package.json
index a080aad..2cb8e09 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "devDependencies": {
     "@symfony/webpack-encore": "^0.7.1",
     "bloodhound-js": "^1.2.1",
-    "bootstrap-sass": "^3.3.7",
+    "bootstrap-sass": "^3.4.1",
     "bootstrap-tagsinput": "^0.7.1",
     "bootswatch": "^3.3.7",
     "eonasdan-bootstrap-datetimepicker": "^4.17.47",
diff --git a/yarn.lock b/yarn.lock
index 26fca22..126059e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -755,9 +755,9 @@ 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"
 
 bootstrap-tagsinput@^0.7.1:
   version "0.7.1"