diff --git a/yarn.lock b/yarn.lock
index be7ebd27e9..7331549985 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1770,9 +1770,9 @@ boolbase@^1.0.0:
   integrity sha1-aN/1++YMUes3cl6p4+0xDcwed24=
 
 bootstrap-sass@^3:
-  version "3.4.1"
-  resolved "https://registry.yarnpkg.com/bootstrap-sass/-/bootstrap-sass-3.4.1.tgz#6843c73b1c258a0ac5cb2cc6f6f5285b664a8e9a"
-  integrity sha512-p5rxsK/IyEDQm2CwiHxxUi0MZZtvVFbhWmyMOt4lLkA4bujDA1TGoKT0i1FKIWiugAdP+kK8T5KMDFIKQCLYIA==
+  version "3.4.2"
+  resolved "https://registry.yarnpkg.com/bootstrap-sass/-/bootstrap-sass-3.4.2.tgz#c223aa5e0b3806e78f7d6c11993a94e950539cd7"
+  integrity sha512-GLOIoUuV1hAoO4/wUKC8xFboAGFsdIBhMKMjGCslRAA3CurJZx7q+1y5AKc2UTWZgcTc81KtoV0S6adzJ+AAVQ==
 
 brace-expansion@^1.1.7:
   version "1.1.11"