diff --git a/contrib/myMPD.spec b/contrib/myMPD.spec
index d5324d3..85c8ca4 100644
--- a/contrib/myMPD.spec
+++ b/contrib/myMPD.spec
@@ -4,7 +4,7 @@
 # (c) 2018 Juergen Mang <mail@jcgames.de
 
 Name:           myMPD
-Version:        4.1.0
+Version:        4.1.1
 Release:        0 
 License:        GPL-2.0 
 Group:          Productivity/Multimedia/Sound/Players
diff --git a/debian/control b/debian/control
index df77137..96665fc 100644
--- a/debian/control
+++ b/debian/control
@@ -1,4 +1,5 @@
 Source: mympd
+Version: 4.1.1-1
 Section: unknown
 Priority: optional
 Maintainer: Juergen Mang <mail@jcgames.de>
diff --git a/dist/htdocs/sw.min.js b/dist/htdocs/sw.min.js
index 57de4f4..10d8e65 100644
--- a/dist/htdocs/sw.min.js
+++ b/dist/htdocs/sw.min.js
@@ -10,5 +10,5 @@ function(){function a(a){return function(d){c||(c=!0,a.call(b,d))}}var b=this,c=
 void 0;try{d=a.then}catch(h){this.reject_(h);return}"function"==typeof d?this.settleSameAsThenable_(d,a):this.fulfill_(a)};c.prototype.reject_=function(a){this.settle_(2,a)};c.prototype.fulfill_=function(a){this.settle_(1,a)};c.prototype.settle_=function(a,b){if(0!=this.state_)throw Error("Cannot settle("+a+", "+b+"): Promise already settled in state"+this.state_);this.state_=a;this.result_=b;this.executeOnSettledCallbacks_()};c.prototype.executeOnSettledCallbacks_=function(){if(null!=this.onSettledCallbacks_){for(var a=
 0;a<this.onSettledCallbacks_.length;++a)l.asyncExecute(this.onSettledCallbacks_[a]);this.onSettledCallbacks_=null}};var l=new b;c.prototype.settleSameAsPromise_=function(a){var b=this.createResolveAndReject_();a.callWhenSettled_(b.resolve,b.reject)};c.prototype.settleSameAsThenable_=function(a,b){var c=this.createResolveAndReject_();try{a.call(b,c.resolve,c.reject)}catch(k){c.reject(k)}};c.prototype.then=function(a,b){function d(a,b){return"function"==typeof a?function(b){try{f(a(b))}catch(m){e(m)}}:
 b}var f,e,g=new c(function(a,b){f=a;e=b});this.callWhenSettled_(d(a,f),d(b,e));return g};c.prototype.catch=function(a){return this.then(void 0,a)};c.prototype.callWhenSettled_=function(a,b){function c(){switch(d.state_){case 1:a(d.result_);break;case 2:b(d.result_);break;default:throw Error("Unexpected state: "+d.state_);}}var d=this;null==this.onSettledCallbacks_?l.asyncExecute(c):this.onSettledCallbacks_.push(c)};c.resolve=f;c.reject=function(a){return new c(function(b,c){c(a)})};c.race=function(a){return new c(function(b,
-c){for(var d=$jscomp.makeIterator(a),e=d.next();!e.done;e=d.next())f(e.value).callWhenSettled_(b,c)})};c.all=function(a){var b=$jscomp.makeIterator(a),d=b.next();return d.done?f([]):new c(function(a,c){function e(b){return function(c){g[b]=c;h--;0==h&&a(g)}}var g=[],h=0;do g.push(void 0),h++,f(d.value).callWhenSettled_(e(g.length-1),c),d=b.next();while(!d.done)})};return c},"es6","es3");var CACHE="myMPD-cache-v4.1.0",urlsToCache="/ /player.html /css/bootstrap.min.css /css/mympd.min.css /js/bootstrap-native-v4.min.js /js/mympd.min.js /js/player.min.js /assets/appicon-167.png /assets/appicon-192.png /assets/appicon-512.png /assets/coverimage-httpstream.png /assets/coverimage-notavailable.png /assets/favicon.ico /assets/MaterialIcons-Regular.eot /assets/MaterialIcons-Regular.ttf /assets/MaterialIcons-Regular.woff /assets/MaterialIcons-Regular.woff2".split(" ");
+c){for(var d=$jscomp.makeIterator(a),e=d.next();!e.done;e=d.next())f(e.value).callWhenSettled_(b,c)})};c.all=function(a){var b=$jscomp.makeIterator(a),d=b.next();return d.done?f([]):new c(function(a,c){function e(b){return function(c){g[b]=c;h--;0==h&&a(g)}}var g=[],h=0;do g.push(void 0),h++,f(d.value).callWhenSettled_(e(g.length-1),c),d=b.next();while(!d.done)})};return c},"es6","es3");var CACHE="myMPD-cache-v4.1.1",urlsToCache="/ /player.html /css/bootstrap.min.css /css/mympd.min.css /js/bootstrap-native-v4.min.js /js/mympd.min.js /js/player.min.js /assets/appicon-167.png /assets/appicon-192.png /assets/appicon-512.png /assets/coverimage-httpstream.png /assets/coverimage-notavailable.png /assets/favicon.ico /assets/MaterialIcons-Regular.eot /assets/MaterialIcons-Regular.ttf /assets/MaterialIcons-Regular.woff /assets/MaterialIcons-Regular.woff2".split(" ");
 self.addEventListener("install",function(a){a.waitUntil(caches.open(CACHE).then(function(a){return a.addAll(urlsToCache)}))});self.addEventListener("fetch",function(a){a.respondWith(caches.match(a.request).then(function(b){return b?b:fetch(a.request)}))});self.addEventListener("activate",function(a){a.waitUntil(caches.keys().then(function(a){return Promise.all(a.map(function(a){if(a!=CACHE)return caches.delete(a)}))}))});