diff --git a/index.html b/index.html
index 5589b515..6d23e5ca 100644
--- a/index.html
+++ b/index.html
@@ -1068,8 +1068,8 @@
 
     <!-- jQuery 2.1.4 -->
     <script src="plugins/jQuery/jQuery-2.1.4.min.js"></script>
-    <!-- jQuery UI 1.11.2 -->
-    <script src="https://code.jquery.com/ui/1.11.2/jquery-ui.min.js" type="text/javascript"></script>
+    <!-- jQuery UI 1.11.4 -->
+    <script src="https://code.jquery.com/ui/1.11.4/jquery-ui.min.js" type="text/javascript"></script>
     <!-- Resolve conflict in jQuery UI tooltip with Bootstrap tooltip -->
     <script>
       $.widget.bridge('uibutton', $.ui.button);
diff --git a/pages/calendar.html b/pages/calendar.html
index 1d89eea9..b4e4e88d 100644
--- a/pages/calendar.html
+++ b/pages/calendar.html
@@ -703,8 +703,8 @@
     <script src="../plugins/jQuery/jQuery-2.1.4.min.js"></script>
     <!-- Bootstrap 3.3.2 JS -->
     <script src="../bootstrap/js/bootstrap.min.js" type="text/javascript"></script>
-    <!-- jQuery UI 1.11.1 -->
-    <script src="https://code.jquery.com/ui/1.11.1/jquery-ui.min.js" type="text/javascript"></script>
+    <!-- jQuery UI 1.11.4 -->
+    <script src="https://code.jquery.com/ui/1.11.4/jquery-ui.min.js" type="text/javascript"></script>
     <!-- Slimscroll -->
     <script src="../plugins/slimScroll/jquery.slimscroll.min.js" type="text/javascript"></script>
     <!-- FastClick -->