diff --git a/docs/assets/bootstrap.zip b/docs/assets/bootstrap.zip
index 14edf6efd1..e478022b0b 100644
Binary files a/docs/assets/bootstrap.zip and b/docs/assets/bootstrap.zip differ
diff --git a/docs/assets/css/bootstrap.css b/docs/assets/css/bootstrap.css
index a9fdbcffbe..fed56717fc 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -1790,6 +1790,7 @@ table .span24 {
 .icon-resize-horizontal {
   background-position: -456px -118px;
 }
+.dropup,
 .dropdown {
   position: relative;
 }
diff --git a/less/dropdowns.less b/less/dropdowns.less
index b54e7eeec6..afe7df4e22 100644
--- a/less/dropdowns.less
+++ b/less/dropdowns.less
@@ -2,6 +2,7 @@
 // --------------
 
 // Use the .menu class on any <li> element within the topbar or ul.tabs and you'll get some superfancy dropdowns
+.dropup,
 .dropdown {
   position: relative;
 }