diff --git a/www/admin/index.html b/www/admin/index.html
index 79a96c97b..c59dd8edc 100644
--- a/www/admin/index.html
+++ b/www/admin/index.html
@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="referrer" content="no-referrer" />
     <script async data-bootload="main.js" data-main="/common/boot.js?ver=1.0" src="/bower_components/requirejs/require.js?ver=2.3.5"></script>
-    <link href="/customize/src/outer.css" rel="stylesheet" type="text/css">
+    <link href="/customize/src/outer.css?ver=1.1" rel="stylesheet" type="text/css">
 </head>
 <body>
 <iframe id="sbox-iframe">
diff --git a/www/code/index.html b/www/code/index.html
index dd4b97b3b..e51c8ba9e 100644
--- a/www/code/index.html
+++ b/www/code/index.html
@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="referrer" content="no-referrer" />
     <script async data-bootload="/common/sframe-app-outer.js" data-main="/common/boot.js?ver=1.0" src="/bower_components/requirejs/require.js?ver=2.3.5"></script>
-    <link href="/customize/src/outer.css" rel="stylesheet" type="text/css">
+    <link href="/customize/src/outer.css?ver=1.1" rel="stylesheet" type="text/css">
 </head>
 <body>
 <iframe id="sbox-iframe">
diff --git a/www/contacts/index.html b/www/contacts/index.html
index 79a96c97b..c59dd8edc 100644
--- a/www/contacts/index.html
+++ b/www/contacts/index.html
@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="referrer" content="no-referrer" />
     <script async data-bootload="main.js" data-main="/common/boot.js?ver=1.0" src="/bower_components/requirejs/require.js?ver=2.3.5"></script>
-    <link href="/customize/src/outer.css" rel="stylesheet" type="text/css">
+    <link href="/customize/src/outer.css?ver=1.1" rel="stylesheet" type="text/css">
 </head>
 <body>
 <iframe id="sbox-iframe">
diff --git a/www/debug/index.html b/www/debug/index.html
index 79a96c97b..c59dd8edc 100644
--- a/www/debug/index.html
+++ b/www/debug/index.html
@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="referrer" content="no-referrer" />
     <script async data-bootload="main.js" data-main="/common/boot.js?ver=1.0" src="/bower_components/requirejs/require.js?ver=2.3.5"></script>
-    <link href="/customize/src/outer.css" rel="stylesheet" type="text/css">
+    <link href="/customize/src/outer.css?ver=1.1" rel="stylesheet" type="text/css">
 </head>
 <body>
 <iframe id="sbox-iframe">
diff --git a/www/drive/index.html b/www/drive/index.html
index 79a96c97b..c59dd8edc 100644
--- a/www/drive/index.html
+++ b/www/drive/index.html
@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="referrer" content="no-referrer" />
     <script async data-bootload="main.js" data-main="/common/boot.js?ver=1.0" src="/bower_components/requirejs/require.js?ver=2.3.5"></script>
-    <link href="/customize/src/outer.css" rel="stylesheet" type="text/css">
+    <link href="/customize/src/outer.css?ver=1.1" rel="stylesheet" type="text/css">
 </head>
 <body>
 <iframe id="sbox-iframe">
diff --git a/www/file/index.html b/www/file/index.html
index 79a96c97b..c59dd8edc 100644
--- a/www/file/index.html
+++ b/www/file/index.html
@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="referrer" content="no-referrer" />
     <script async data-bootload="main.js" data-main="/common/boot.js?ver=1.0" src="/bower_components/requirejs/require.js?ver=2.3.5"></script>
-    <link href="/customize/src/outer.css" rel="stylesheet" type="text/css">
+    <link href="/customize/src/outer.css?ver=1.1" rel="stylesheet" type="text/css">
 </head>
 <body>
 <iframe id="sbox-iframe">
diff --git a/www/kanban/index.html b/www/kanban/index.html
index f01d01e71..f1c26d5b2 100644
--- a/www/kanban/index.html
+++ b/www/kanban/index.html
@@ -7,7 +7,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="referrer" content="no-referrer" />
     <script async data-bootload="/common/sframe-app-outer.js" data-main="/common/boot.js?ver=1.0" src="/bower_components/requirejs/require.js?ver=2.3.5"></script>
-    <link href="/customize/src/outer.css" rel="stylesheet" type="text/css">
+    <link href="/customize/src/outer.css?ver=1.1" rel="stylesheet" type="text/css">
 </head>
 
 <body>
diff --git a/www/notifications/index.html b/www/notifications/index.html
index 79a96c97b..c59dd8edc 100644
--- a/www/notifications/index.html
+++ b/www/notifications/index.html
@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="referrer" content="no-referrer" />
     <script async data-bootload="main.js" data-main="/common/boot.js?ver=1.0" src="/bower_components/requirejs/require.js?ver=2.3.5"></script>
-    <link href="/customize/src/outer.css" rel="stylesheet" type="text/css">
+    <link href="/customize/src/outer.css?ver=1.1" rel="stylesheet" type="text/css">
 </head>
 <body>
 <iframe id="sbox-iframe">
diff --git a/www/oodoc/index.html b/www/oodoc/index.html
index 1824377ee..88f6b94c6 100644
--- a/www/oodoc/index.html
+++ b/www/oodoc/index.html
@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="referrer" content="no-referrer" />
     <script async data-bootload="/common/onlyoffice/main.js" data-main="/common/boot.js?ver=1.0" src="/bower_components/requirejs/require.js?ver=2.3.5"></script>
-    <link href="/customize/src/outer.css" rel="stylesheet" type="text/css">
+    <link href="/customize/src/outer.css?ver=1.1" rel="stylesheet" type="text/css">
 </head>
 <body>
 <iframe id="sbox-iframe">
diff --git a/www/ooslide/index.html b/www/ooslide/index.html
index 1824377ee..88f6b94c6 100644
--- a/www/ooslide/index.html
+++ b/www/ooslide/index.html
@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="referrer" content="no-referrer" />
     <script async data-bootload="/common/onlyoffice/main.js" data-main="/common/boot.js?ver=1.0" src="/bower_components/requirejs/require.js?ver=2.3.5"></script>
-    <link href="/customize/src/outer.css" rel="stylesheet" type="text/css">
+    <link href="/customize/src/outer.css?ver=1.1" rel="stylesheet" type="text/css">
 </head>
 <body>
 <iframe id="sbox-iframe">
diff --git a/www/pad/index.html b/www/pad/index.html
index dd4b97b3b..e51c8ba9e 100644
--- a/www/pad/index.html
+++ b/www/pad/index.html
@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="referrer" content="no-referrer" />
     <script async data-bootload="/common/sframe-app-outer.js" data-main="/common/boot.js?ver=1.0" src="/bower_components/requirejs/require.js?ver=2.3.5"></script>
-    <link href="/customize/src/outer.css" rel="stylesheet" type="text/css">
+    <link href="/customize/src/outer.css?ver=1.1" rel="stylesheet" type="text/css">
 </head>
 <body>
 <iframe id="sbox-iframe">
diff --git a/www/poll/index.html b/www/poll/index.html
index 79a96c97b..c59dd8edc 100644
--- a/www/poll/index.html
+++ b/www/poll/index.html
@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="referrer" content="no-referrer" />
     <script async data-bootload="main.js" data-main="/common/boot.js?ver=1.0" src="/bower_components/requirejs/require.js?ver=2.3.5"></script>
-    <link href="/customize/src/outer.css" rel="stylesheet" type="text/css">
+    <link href="/customize/src/outer.css?ver=1.1" rel="stylesheet" type="text/css">
 </head>
 <body>
 <iframe id="sbox-iframe">
diff --git a/www/profile/index.html b/www/profile/index.html
index 79a96c97b..c59dd8edc 100644
--- a/www/profile/index.html
+++ b/www/profile/index.html
@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="referrer" content="no-referrer" />
     <script async data-bootload="main.js" data-main="/common/boot.js?ver=1.0" src="/bower_components/requirejs/require.js?ver=2.3.5"></script>
-    <link href="/customize/src/outer.css" rel="stylesheet" type="text/css">
+    <link href="/customize/src/outer.css?ver=1.1" rel="stylesheet" type="text/css">
 </head>
 <body>
 <iframe id="sbox-iframe">
diff --git a/www/settings/index.html b/www/settings/index.html
index 79a96c97b..c59dd8edc 100644
--- a/www/settings/index.html
+++ b/www/settings/index.html
@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="referrer" content="no-referrer" />
     <script async data-bootload="main.js" data-main="/common/boot.js?ver=1.0" src="/bower_components/requirejs/require.js?ver=2.3.5"></script>
-    <link href="/customize/src/outer.css" rel="stylesheet" type="text/css">
+    <link href="/customize/src/outer.css?ver=1.1" rel="stylesheet" type="text/css">
 </head>
 <body>
 <iframe id="sbox-iframe">
diff --git a/www/sheet/index.html b/www/sheet/index.html
index 1824377ee..88f6b94c6 100644
--- a/www/sheet/index.html
+++ b/www/sheet/index.html
@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="referrer" content="no-referrer" />
     <script async data-bootload="/common/onlyoffice/main.js" data-main="/common/boot.js?ver=1.0" src="/bower_components/requirejs/require.js?ver=2.3.5"></script>
-    <link href="/customize/src/outer.css" rel="stylesheet" type="text/css">
+    <link href="/customize/src/outer.css?ver=1.1" rel="stylesheet" type="text/css">
 </head>
 <body>
 <iframe id="sbox-iframe">
diff --git a/www/slide/index.html b/www/slide/index.html
index dd4b97b3b..e51c8ba9e 100644
--- a/www/slide/index.html
+++ b/www/slide/index.html
@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="referrer" content="no-referrer" />
     <script async data-bootload="/common/sframe-app-outer.js" data-main="/common/boot.js?ver=1.0" src="/bower_components/requirejs/require.js?ver=2.3.5"></script>
-    <link href="/customize/src/outer.css" rel="stylesheet" type="text/css">
+    <link href="/customize/src/outer.css?ver=1.1" rel="stylesheet" type="text/css">
 </head>
 <body>
 <iframe id="sbox-iframe">
diff --git a/www/support/index.html b/www/support/index.html
index 79a96c97b..c59dd8edc 100644
--- a/www/support/index.html
+++ b/www/support/index.html
@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="referrer" content="no-referrer" />
     <script async data-bootload="main.js" data-main="/common/boot.js?ver=1.0" src="/bower_components/requirejs/require.js?ver=2.3.5"></script>
-    <link href="/customize/src/outer.css" rel="stylesheet" type="text/css">
+    <link href="/customize/src/outer.css?ver=1.1" rel="stylesheet" type="text/css">
 </head>
 <body>
 <iframe id="sbox-iframe">
diff --git a/www/teams/index.html b/www/teams/index.html
index 79a96c97b..c59dd8edc 100644
--- a/www/teams/index.html
+++ b/www/teams/index.html
@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="referrer" content="no-referrer" />
     <script async data-bootload="main.js" data-main="/common/boot.js?ver=1.0" src="/bower_components/requirejs/require.js?ver=2.3.5"></script>
-    <link href="/customize/src/outer.css" rel="stylesheet" type="text/css">
+    <link href="/customize/src/outer.css?ver=1.1" rel="stylesheet" type="text/css">
 </head>
 <body>
 <iframe id="sbox-iframe">
diff --git a/www/todo/index.html b/www/todo/index.html
index 79a96c97b..c59dd8edc 100644
--- a/www/todo/index.html
+++ b/www/todo/index.html
@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="referrer" content="no-referrer" />
     <script async data-bootload="main.js" data-main="/common/boot.js?ver=1.0" src="/bower_components/requirejs/require.js?ver=2.3.5"></script>
-    <link href="/customize/src/outer.css" rel="stylesheet" type="text/css">
+    <link href="/customize/src/outer.css?ver=1.1" rel="stylesheet" type="text/css">
 </head>
 <body>
 <iframe id="sbox-iframe">
diff --git a/www/whiteboard/index.html b/www/whiteboard/index.html
index dd4b97b3b..e51c8ba9e 100644
--- a/www/whiteboard/index.html
+++ b/www/whiteboard/index.html
@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="referrer" content="no-referrer" />
     <script async data-bootload="/common/sframe-app-outer.js" data-main="/common/boot.js?ver=1.0" src="/bower_components/requirejs/require.js?ver=2.3.5"></script>
-    <link href="/customize/src/outer.css" rel="stylesheet" type="text/css">
+    <link href="/customize/src/outer.css?ver=1.1" rel="stylesheet" type="text/css">
 </head>
 <body>
 <iframe id="sbox-iframe">
