diff --git a/control.js b/control.js
index 71ac507..b9e9f06 100644
--- a/control.js
+++ b/control.js
@@ -1,6 +1,6 @@
 // Interaktivnost
 
-var socket = new WebSocket(location.origin.replace(/https?/, 'ws'));
+var socket = new WebSocket(location.origin.replace(/https?/, 'wss'));
 
 function throttle (cb, limit) {
   var w = false;
diff --git a/package-lock.json b/package-lock.json
index 119288f..a9e0592 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,15 +15,15 @@
       "integrity": "sha512-dhEPs72UPbDnAQJ9ZKMNTP6ptJaionhP5cBb541nXPlW60Jepo9RV/a4fX4XWW9CuFNK22krhrj1+rgzifNCsw==",
       "requires": {
         "bytes": "3.1.0",
-        "content-type": "~1.0.4",
+        "content-type": "1.0.4",
         "debug": "2.6.9",
-        "depd": "~1.1.2",
+        "depd": "1.1.2",
         "http-errors": "1.7.2",
         "iconv-lite": "0.4.24",
-        "on-finished": "~2.3.0",
+        "on-finished": "2.3.0",
         "qs": "6.7.0",
         "raw-body": "2.4.0",
-        "type-is": "~1.6.17"
+        "type-is": "1.6.18"
       }
     },
     "bytes": {
@@ -99,36 +99,36 @@
       "resolved": "https://registry.npmjs.org/express/-/express-4.17.1.tgz",
       "integrity": "sha512-mHJ9O79RqluphRrcw2X/GTh3k9tVv8YcoyY4Kkh4WDMUYKRZUq0h1o0w2rrrxBqM7VoeUVqgb27xlEMXTnYt4g==",
       "requires": {
-        "accepts": "~1.3.7",
+        "accepts": "1.3.7",
         "array-flatten": "1.1.1",
         "body-parser": "1.19.0",
         "content-disposition": "0.5.3",
-        "content-type": "~1.0.4",
+        "content-type": "1.0.4",
         "cookie": "0.4.0",
         "cookie-signature": "1.0.6",
         "debug": "2.6.9",
-        "depd": "~1.1.2",
-        "encodeurl": "~1.0.2",
-        "escape-html": "~1.0.3",
-        "etag": "~1.8.1",
-        "finalhandler": "~1.1.2",
+        "depd": "1.1.2",
+        "encodeurl": "1.0.2",
+        "escape-html": "1.0.3",
+        "etag": "1.8.1",
+        "finalhandler": "1.1.2",
         "fresh": "0.5.2",
         "merge-descriptors": "1.0.1",
-        "methods": "~1.1.2",
-        "on-finished": "~2.3.0",
-        "parseurl": "~1.3.3",
+        "methods": "1.1.2",
+        "on-finished": "2.3.0",
+        "parseurl": "1.3.3",
         "path-to-regexp": "0.1.7",
-        "proxy-addr": "~2.0.5",
+        "proxy-addr": "2.0.6",
         "qs": "6.7.0",
-        "range-parser": "~1.2.1",
+        "range-parser": "1.2.1",
         "safe-buffer": "5.1.2",
         "send": "0.17.1",
         "serve-static": "1.14.1",
         "setprototypeof": "1.1.1",
-        "statuses": "~1.5.0",
-        "type-is": "~1.6.18",
+        "statuses": "1.5.0",
+        "type-is": "1.6.18",
         "utils-merge": "1.0.1",
-        "vary": "~1.1.2"
+        "vary": "1.1.2"
       },
       "dependencies": {
         "accepts": {
@@ -136,7 +136,7 @@
           "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
           "integrity": "sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==",
           "requires": {
-            "mime-types": "~2.1.24",
+            "mime-types": "2.1.27",
             "negotiator": "0.6.2"
           }
         },
@@ -176,12 +176,12 @@
       "integrity": "sha512-aAWcW57uxVNrQZqFXjITpW3sIUQmHGG3qSb9mUah9MgMC4NeWhNOlNjXEYq3HjRAvL6arUviZGGJsBg6z0zsWA==",
       "requires": {
         "debug": "2.6.9",
-        "encodeurl": "~1.0.2",
-        "escape-html": "~1.0.3",
-        "on-finished": "~2.3.0",
-        "parseurl": "~1.3.3",
-        "statuses": "~1.5.0",
-        "unpipe": "~1.0.0"
+        "encodeurl": "1.0.2",
+        "escape-html": "1.0.3",
+        "on-finished": "2.3.0",
+        "parseurl": "1.3.3",
+        "statuses": "1.5.0",
+        "unpipe": "1.0.0"
       }
     },
     "forwarded": {
@@ -199,10 +199,10 @@
       "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.7.2.tgz",
       "integrity": "sha512-uUQBt3H/cSIVfch6i1EuPNy/YsRSOUBXTVfZ+yR7Zjez3qjBz6i9+i4zjNaoqcoFVI4lQJ5plg63TvGfRSDCRg==",
       "requires": {
-        "depd": "~1.1.2",
+        "depd": "1.1.2",
         "inherits": "2.0.3",
         "setprototypeof": "1.1.1",
-        "statuses": ">= 1.5.0 < 2",
+        "statuses": "1.5.0",
         "toidentifier": "1.0.0"
       }
     },
@@ -211,7 +211,7 @@
       "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
       "integrity": "sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==",
       "requires": {
-        "safer-buffer": ">= 2.1.2 < 3"
+        "safer-buffer": "2.1.2"
       }
     },
     "inherits": {
@@ -277,7 +277,7 @@
       "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.6.tgz",
       "integrity": "sha512-dh/frvCBVmSsDYzw6n926jv974gddhkFPfiN8hPOi30Wax25QZyZEGveluCgliBnqmuM+UJmBErbAUFIoDbjOw==",
       "requires": {
-        "forwarded": "~0.1.2",
+        "forwarded": "0.1.2",
         "ipaddr.js": "1.9.1"
       }
     },
@@ -313,18 +313,18 @@
       "integrity": "sha512-BsVKsiGcQMFwT8UxypobUKyv7irCNRHk1T0G680vk88yf6LBByGcZJOTJCrTP2xVN6yI+XjPJcNuE3V4fT9sAg==",
       "requires": {
         "debug": "2.6.9",
-        "depd": "~1.1.2",
-        "destroy": "~1.0.4",
-        "encodeurl": "~1.0.2",
-        "escape-html": "~1.0.3",
-        "etag": "~1.8.1",
+        "depd": "1.1.2",
+        "destroy": "1.0.4",
+        "encodeurl": "1.0.2",
+        "escape-html": "1.0.3",
+        "etag": "1.8.1",
         "fresh": "0.5.2",
-        "http-errors": "~1.7.2",
+        "http-errors": "1.7.2",
         "mime": "1.6.0",
         "ms": "2.1.1",
-        "on-finished": "~2.3.0",
-        "range-parser": "~1.2.1",
-        "statuses": "~1.5.0"
+        "on-finished": "2.3.0",
+        "range-parser": "1.2.1",
+        "statuses": "1.5.0"
       },
       "dependencies": {
         "ms": {
@@ -339,9 +339,9 @@
       "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.14.1.tgz",
       "integrity": "sha512-JMrvUwE54emCYWlTI+hGrGv5I8dEwmco/00EvkzIIsR7MqrHonbD9pO2MOfFnpFntl7ecpZs+3mW+XbQZu9QCg==",
       "requires": {
-        "encodeurl": "~1.0.2",
-        "escape-html": "~1.0.3",
-        "parseurl": "~1.3.3",
+        "encodeurl": "1.0.2",
+        "escape-html": "1.0.3",
+        "parseurl": "1.3.3",
         "send": "0.17.1"
       }
     },
@@ -371,7 +371,7 @@
       "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
       "requires": {
         "media-typer": "0.3.0",
-        "mime-types": "~2.1.24"
+        "mime-types": "2.1.27"
       },
       "dependencies": {
         "mime-db": {