diff --git a/package-lock.json b/package-lock.json
index 4d93536..211fba6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@alfsnd/vue-bootstrap-select",
-  "version": "0.4.3",
+  "version": "0.4.4",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -3579,7 +3579,7 @@
     },
     "commander": {
       "version": "2.9.0",
-      "resolved": "http://registry.npmjs.org/commander/-/commander-2.9.0.tgz",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.9.0.tgz",
       "integrity": "sha1-nJkJQXbhIkDLItbFFGCYQA/g99Q=",
       "dev": true,
       "requires": {
@@ -4167,7 +4167,7 @@
       "dependencies": {
         "regexpu-core": {
           "version": "1.0.0",
-          "resolved": "http://registry.npmjs.org/regexpu-core/-/regexpu-core-1.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/regexpu-core/-/regexpu-core-1.0.0.tgz",
           "integrity": "sha1-hqdj9Y7k18L2sQLkdkBQ3n7ZDGs=",
           "dev": true,
           "requires": {
@@ -4178,13 +4178,13 @@
         },
         "regjsgen": {
           "version": "0.2.0",
-          "resolved": "http://registry.npmjs.org/regjsgen/-/regjsgen-0.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/regjsgen/-/regjsgen-0.2.0.tgz",
           "integrity": "sha1-bAFq3qxVT3WCP+N6wFuS1aTtsfc=",
           "dev": true
         },
         "regjsparser": {
           "version": "0.1.5",
-          "resolved": "http://registry.npmjs.org/regjsparser/-/regjsparser-0.1.5.tgz",
+          "resolved": "https://registry.npmjs.org/regjsparser/-/regjsparser-0.1.5.tgz",
           "integrity": "sha1-fuj4Tcb6eS0/0K4ijSS9lJ6tIFw=",
           "dev": true,
           "requires": {
@@ -6283,7 +6283,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -6304,12 +6305,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -6324,17 +6327,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -6451,7 +6457,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -6463,6 +6470,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -6477,6 +6485,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -6484,12 +6493,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -6508,6 +6519,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -6588,7 +6600,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -6600,6 +6613,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -6685,7 +6699,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -6721,6 +6736,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -6740,6 +6756,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -6783,12 +6800,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -8330,7 +8349,7 @@
     },
     "jsesc": {
       "version": "0.5.0",
-      "resolved": "http://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
+      "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
       "integrity": "sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0=",
       "dev": true
     },
@@ -8372,7 +8391,7 @@
     },
     "json5": {
       "version": "0.5.1",
-      "resolved": "http://registry.npmjs.org/json5/-/json5-0.5.1.tgz",
+      "resolved": "https://registry.npmjs.org/json5/-/json5-0.5.1.tgz",
       "integrity": "sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE=",
       "dev": true
     },
@@ -8961,9 +8980,9 @@
       }
     },
     "minimist": {
-      "version": "1.2.0",
-      "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.3.tgz",
+      "integrity": "sha512-+bMdgqjMN/Z77a6NlY/I3U5LlRDbnmaAk6lDveAPKwSpcPM4tKAuYsvYF8xjhOPXhOYGe/73vVLVez5PW+jqhw==",
       "dev": true
     },
     "mississippi": {
@@ -10962,7 +10981,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -13924,7 +13943,7 @@
     },
     "strip-ansi": {
       "version": "3.0.1",
-      "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
       "dev": true,
       "requires": {