diff --git a/web-bootstrap-3/yarn.lock b/web-bootstrap-3/yarn.lock
index 56631b9..a536796 100644
--- a/web-bootstrap-3/yarn.lock
+++ b/web-bootstrap-3/yarn.lock
@@ -81,8 +81,8 @@ angular@^1.7.1:
   resolved "https://registry.yarnpkg.com/angular/-/angular-1.7.2.tgz#687b955dbe5c533f8d73460461707af00360251f"
 
 bootstrap@^3.3.7:
-  version "3.3.7"
-  resolved "https://registry.yarnpkg.com/bootstrap/-/bootstrap-3.3.7.tgz#5a389394549f23330875a3b150656574f8a9eb71"
+  version "3.4.1"
+  resolved "https://registry.yarnpkg.com/bootstrap/-/bootstrap-3.4.1.tgz#c3a347d419e289ad11f4033e3c4132b87c081d72"
 
 font-awesome@^4.7.0:
   version "4.7.0"