diff --git a/CHANGELOG.md b/CHANGELOG.md
index 15af9bc..55f38c7 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 1.1.3 (Sep 14, 2019)
+
+- Continue counting down only when the current tab is visible (#37).
+
 ## 1.1.2 (Apr 16, 2019)
 
 - Add missing properties for the `progress` event (#34).
diff --git a/dist/vue-countdown.common.js b/dist/vue-countdown.common.js
index c85dc2a..f4c8643 100644
--- a/dist/vue-countdown.common.js
+++ b/dist/vue-countdown.common.js
@@ -1,11 +1,11 @@
 /*!
- * vue-countdown v1.1.2
+ * vue-countdown v1.1.3
  * https://fengyuanchen.github.io/vue-countdown
  *
  * Copyright 2018-present Chen Fengyuan
  * Released under the MIT license
  *
- * Date: 2019-04-16T11:53:29.768Z
+ * Date: 2019-09-14T04:14:37.456Z
  */
 
 'use strict';
@@ -231,7 +231,9 @@ var index = {
         this.$emit('start');
       }
 
-      this.continue();
+      if (document.visibilityState === 'visible') {
+        this.continue();
+      }
     },
 
     /**
diff --git a/dist/vue-countdown.esm.js b/dist/vue-countdown.esm.js
index e8246d6..e66c8bf 100644
--- a/dist/vue-countdown.esm.js
+++ b/dist/vue-countdown.esm.js
@@ -1,11 +1,11 @@
 /*!
- * vue-countdown v1.1.2
+ * vue-countdown v1.1.3
  * https://fengyuanchen.github.io/vue-countdown
  *
  * Copyright 2018-present Chen Fengyuan
  * Released under the MIT license
  *
- * Date: 2019-04-16T11:53:29.768Z
+ * Date: 2019-09-14T04:14:37.456Z
  */
 
 var MILLISECONDS_SECOND = 1000;
@@ -229,7 +229,9 @@ var index = {
         this.$emit('start');
       }
 
-      this.continue();
+      if (document.visibilityState === 'visible') {
+        this.continue();
+      }
     },
 
     /**
diff --git a/dist/vue-countdown.js b/dist/vue-countdown.js
index a2be2c2..43a4334 100644
--- a/dist/vue-countdown.js
+++ b/dist/vue-countdown.js
@@ -1,11 +1,11 @@
 /*!
- * vue-countdown v1.1.2
+ * vue-countdown v1.1.3
  * https://fengyuanchen.github.io/vue-countdown
  *
  * Copyright 2018-present Chen Fengyuan
  * Released under the MIT license
  *
- * Date: 2019-04-16T11:53:29.768Z
+ * Date: 2019-09-14T04:14:37.456Z
  */
 
 (function (global, factory) {
@@ -235,7 +235,9 @@
           this.$emit('start');
         }
 
-        this.continue();
+        if (document.visibilityState === 'visible') {
+          this.continue();
+        }
       },
 
       /**
diff --git a/dist/vue-countdown.min.js b/dist/vue-countdown.min.js
index a817f13..773e8fe 100644
--- a/dist/vue-countdown.min.js
+++ b/dist/vue-countdown.min.js
@@ -1,10 +1,10 @@
 /*!
- * vue-countdown v1.1.2
+ * vue-countdown v1.1.3
  * https://fengyuanchen.github.io/vue-countdown
  *
  * Copyright 2018-present Chen Fengyuan
  * Released under the MIT license
  *
- * Date: 2019-04-16T11:53:29.768Z
+ * Date: 2019-09-14T04:14:37.456Z
  */
-!function(t,i){"object"==typeof exports&&"undefined"!=typeof module?module.exports=i():"function"==typeof define&&define.amd?define(i):(t=t||self).VueCountdown=i()}(this,function(){"use strict";var t=1e3,i=6e4,s=36e5,e="visibilitychange";return{name:"countdown",data:function(){return{counting:!1,endTime:0,totalMilliseconds:0}},props:{autoStart:{type:Boolean,default:!0},emitEvents:{type:Boolean,default:!0},interval:{type:Number,default:1e3,validator:function(t){return 0<=t}},now:{type:Function,default:function(){return Date.now()}},tag:{type:String,default:"span"},time:{type:Number,default:0,validator:function(t){return 0<=t}},transform:{type:Function,default:function(t){return t}}},computed:{days:function(){return Math.floor(this.totalMilliseconds/864e5)},hours:function(){return Math.floor(this.totalMilliseconds%864e5/s)},minutes:function(){return Math.floor(this.totalMilliseconds%s/i)},seconds:function(){return Math.floor(this.totalMilliseconds%i/t)},milliseconds:function(){return Math.floor(this.totalMilliseconds%t)},totalDays:function(){return this.days},totalHours:function(){return Math.floor(this.totalMilliseconds/s)},totalMinutes:function(){return Math.floor(this.totalMilliseconds/i)},totalSeconds:function(){return Math.floor(this.totalMilliseconds/t)}},render:function(t){return t(this.tag,this.$scopedSlots.default?[this.$scopedSlots.default(this.transform({days:this.days,hours:this.hours,minutes:this.minutes,seconds:this.seconds,milliseconds:this.milliseconds,totalDays:this.totalDays,totalHours:this.totalHours,totalMinutes:this.totalMinutes,totalSeconds:this.totalSeconds,totalMilliseconds:this.totalMilliseconds}))]:this.$slots.default)},watch:{$props:{deep:!0,immediate:!0,handler:function(){this.totalMilliseconds=this.time,this.endTime=this.now()+this.time,this.autoStart&&this.start()}}},methods:{start:function(){this.counting||(this.counting=!0,this.emitEvents&&this.$emit("start"),this.continue())},continue:function(){var s=this;if(this.counting){var e=Math.min(this.totalMilliseconds,this.interval);if(0<e)if(window.requestAnimationFrame){var n;this.requestId=requestAnimationFrame(function t(i){n||(n=i),i-n<e?s.requestId=requestAnimationFrame(t):s.progress()})}else this.timeoutId=setTimeout(function(){s.progress()},e);else this.end()}},pause:function(){window.requestAnimationFrame?cancelAnimationFrame(this.requestId):clearTimeout(this.timeoutId)},progress:function(){this.counting&&(this.totalMilliseconds-=this.interval,this.emitEvents&&0<this.totalMilliseconds&&this.$emit("progress",{days:this.days,hours:this.hours,minutes:this.minutes,seconds:this.seconds,milliseconds:this.milliseconds,totalDays:this.totalDays,totalHours:this.totalHours,totalMinutes:this.totalMinutes,totalSeconds:this.totalSeconds,totalMilliseconds:this.totalMilliseconds}),this.continue())},abort:function(){this.counting&&(this.pause(),this.counting=!1,this.emitEvents&&this.$emit("abort"))},end:function(){this.counting&&(this.pause(),this.totalMilliseconds=0,this.counting=!1,this.emitEvents&&this.$emit("end"))},update:function(){this.counting&&(this.totalMilliseconds=Math.max(0,this.endTime-this.now()))},handleVisibilityChange:function(){switch(document.visibilityState){case"visible":this.update(),this.continue();break;case"hidden":this.pause()}}},mounted:function(){document.addEventListener(e,this.handleVisibilityChange)},beforeDestroy:function(){document.removeEventListener(e,this.handleVisibilityChange),this.pause()}}});
\ No newline at end of file
+!function(t,i){"object"==typeof exports&&"undefined"!=typeof module?module.exports=i():"function"==typeof define&&define.amd?define(i):(t=t||self).VueCountdown=i()}(this,function(){"use strict";var t=1e3,i=6e4,s=36e5,e="visibilitychange";return{name:"countdown",data:function(){return{counting:!1,endTime:0,totalMilliseconds:0}},props:{autoStart:{type:Boolean,default:!0},emitEvents:{type:Boolean,default:!0},interval:{type:Number,default:1e3,validator:function(t){return 0<=t}},now:{type:Function,default:function(){return Date.now()}},tag:{type:String,default:"span"},time:{type:Number,default:0,validator:function(t){return 0<=t}},transform:{type:Function,default:function(t){return t}}},computed:{days:function(){return Math.floor(this.totalMilliseconds/864e5)},hours:function(){return Math.floor(this.totalMilliseconds%864e5/s)},minutes:function(){return Math.floor(this.totalMilliseconds%s/i)},seconds:function(){return Math.floor(this.totalMilliseconds%i/t)},milliseconds:function(){return Math.floor(this.totalMilliseconds%t)},totalDays:function(){return this.days},totalHours:function(){return Math.floor(this.totalMilliseconds/s)},totalMinutes:function(){return Math.floor(this.totalMilliseconds/i)},totalSeconds:function(){return Math.floor(this.totalMilliseconds/t)}},render:function(t){return t(this.tag,this.$scopedSlots.default?[this.$scopedSlots.default(this.transform({days:this.days,hours:this.hours,minutes:this.minutes,seconds:this.seconds,milliseconds:this.milliseconds,totalDays:this.totalDays,totalHours:this.totalHours,totalMinutes:this.totalMinutes,totalSeconds:this.totalSeconds,totalMilliseconds:this.totalMilliseconds}))]:this.$slots.default)},watch:{$props:{deep:!0,immediate:!0,handler:function(){this.totalMilliseconds=this.time,this.endTime=this.now()+this.time,this.autoStart&&this.start()}}},methods:{start:function(){this.counting||(this.counting=!0,this.emitEvents&&this.$emit("start"),"visible"===document.visibilityState&&this.continue())},continue:function(){var s=this;if(this.counting){var e=Math.min(this.totalMilliseconds,this.interval);if(0<e)if(window.requestAnimationFrame){var n;this.requestId=requestAnimationFrame(function t(i){i-(n=n||i)<e?s.requestId=requestAnimationFrame(t):s.progress()})}else this.timeoutId=setTimeout(function(){s.progress()},e);else this.end()}},pause:function(){window.requestAnimationFrame?cancelAnimationFrame(this.requestId):clearTimeout(this.timeoutId)},progress:function(){this.counting&&(this.totalMilliseconds-=this.interval,this.emitEvents&&0<this.totalMilliseconds&&this.$emit("progress",{days:this.days,hours:this.hours,minutes:this.minutes,seconds:this.seconds,milliseconds:this.milliseconds,totalDays:this.totalDays,totalHours:this.totalHours,totalMinutes:this.totalMinutes,totalSeconds:this.totalSeconds,totalMilliseconds:this.totalMilliseconds}),this.continue())},abort:function(){this.counting&&(this.pause(),this.counting=!1,this.emitEvents&&this.$emit("abort"))},end:function(){this.counting&&(this.pause(),this.totalMilliseconds=0,this.counting=!1,this.emitEvents&&this.$emit("end"))},update:function(){this.counting&&(this.totalMilliseconds=Math.max(0,this.endTime-this.now()))},handleVisibilityChange:function(){switch(document.visibilityState){case"visible":this.update(),this.continue();break;case"hidden":this.pause()}}},mounted:function(){document.addEventListener(e,this.handleVisibilityChange)},beforeDestroy:function(){document.removeEventListener(e,this.handleVisibilityChange),this.pause()}}});
\ No newline at end of file
diff --git a/docs/index.html b/docs/index.html
index 5ddab42..bf2fc72 100755
--- a/docs/index.html
+++ b/docs/index.html
@@ -33,7 +33,7 @@
     <div class="container">
         <div class="row">
           <div class="col-md">
-            <h1>vue-countdown <small class="h6">v1.1.2</small></h1>
+            <h1>vue-countdown <small class="h6">v1.1.3</small></h1>
             <p class="lead">Countdown component for Vue.js.</p>
           </div>
           <div class="col-md">
@@ -121,7 +121,7 @@ <h6>JavaScript:</h6>
     </div>
   </footer>
 
-  <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js"></script>
+  <script src="https://code.jquery.com/jquery-3.4.1.slim.min.js"></script>
   <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.bundle.min.js"></script>
   <script src="https://unpkg.com/vue@2/dist/vue.min.js"></script>
   <script src="https://unpkg.com/highlightjs@9.12.0/highlight.pack.js"></script>
diff --git a/docs/js/vue-countdown.js b/docs/js/vue-countdown.js
index a2be2c2..43a4334 100755
--- a/docs/js/vue-countdown.js
+++ b/docs/js/vue-countdown.js
@@ -1,11 +1,11 @@
 /*!
- * vue-countdown v1.1.2
+ * vue-countdown v1.1.3
  * https://fengyuanchen.github.io/vue-countdown
  *
  * Copyright 2018-present Chen Fengyuan
  * Released under the MIT license
  *
- * Date: 2019-04-16T11:53:29.768Z
+ * Date: 2019-09-14T04:14:37.456Z
  */
 
 (function (global, factory) {
@@ -235,7 +235,9 @@
           this.$emit('start');
         }
 
-        this.continue();
+        if (document.visibilityState === 'visible') {
+          this.continue();
+        }
       },
 
       /**
diff --git a/package-lock.json b/package-lock.json
index e1e3738..88dc00b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,49 +1,49 @@
 {
   "name": "@chenfengyuan/vue-countdown",
-  "version": "1.1.2",
+  "version": "1.1.3",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
     "@babel/code-frame": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0.tgz",
-      "integrity": "sha512-OfC2uemaknXr87bdLUkWog7nYuliM9Ij5HUcajsVcMCpQrcLmtxRbVFTIqmcSkSeYRBFBRxs2FiUqFJDLdiebA==",
+      "version": "7.5.5",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.5.5.tgz",
+      "integrity": "sha512-27d4lZoomVyo51VegxI20xZPuSHusqbQag/ztrBC7wegWoQ1nLREPVSKSW8byhTlzTKyNE4ifaTA6lCp7JjpFw==",
       "dev": true,
       "requires": {
         "@babel/highlight": "^7.0.0"
       }
     },
     "@babel/core": {
-      "version": "7.4.3",
-      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.4.3.tgz",
-      "integrity": "sha512-oDpASqKFlbspQfzAE7yaeTmdljSH2ADIvBlb0RwbStltTuWa0+7CCI1fYVINNv9saHPa1W7oaKeuNuKj+RQCvA==",
-      "dev": true,
-      "requires": {
-        "@babel/code-frame": "^7.0.0",
-        "@babel/generator": "^7.4.0",
-        "@babel/helpers": "^7.4.3",
-        "@babel/parser": "^7.4.3",
-        "@babel/template": "^7.4.0",
-        "@babel/traverse": "^7.4.3",
-        "@babel/types": "^7.4.0",
+      "version": "7.6.0",
+      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.6.0.tgz",
+      "integrity": "sha512-FuRhDRtsd6IptKpHXAa+4WPZYY2ZzgowkbLBecEDDSje1X/apG7jQM33or3NdOmjXBKWGOg4JmSiRfUfuTtHXw==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.5.5",
+        "@babel/generator": "^7.6.0",
+        "@babel/helpers": "^7.6.0",
+        "@babel/parser": "^7.6.0",
+        "@babel/template": "^7.6.0",
+        "@babel/traverse": "^7.6.0",
+        "@babel/types": "^7.6.0",
         "convert-source-map": "^1.1.0",
         "debug": "^4.1.0",
         "json5": "^2.1.0",
-        "lodash": "^4.17.11",
+        "lodash": "^4.17.13",
         "resolve": "^1.3.2",
         "semver": "^5.4.1",
         "source-map": "^0.5.0"
       }
     },
     "@babel/generator": {
-      "version": "7.4.0",
-      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.4.0.tgz",
-      "integrity": "sha512-/v5I+a1jhGSKLgZDcmAUZ4K/VePi43eRkUs3yePW1HB1iANOD5tqJXwGSG4BZhSksP8J9ejSlwGeTiiOFZOrXQ==",
+      "version": "7.6.0",
+      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.6.0.tgz",
+      "integrity": "sha512-Ms8Mo7YBdMMn1BYuNtKuP/z0TgEIhbcyB8HVR6PPNYp4P61lMsABiS4A3VG1qznjXVCf3r+fVHhm4efTYVsySA==",
       "dev": true,
       "requires": {
-        "@babel/types": "^7.4.0",
+        "@babel/types": "^7.6.0",
         "jsesc": "^2.5.1",
-        "lodash": "^4.17.11",
+        "lodash": "^4.17.13",
         "source-map": "^0.5.0",
         "trim-right": "^1.0.1"
       }
@@ -68,25 +68,25 @@
       }
     },
     "@babel/helper-call-delegate": {
-      "version": "7.4.0",
-      "resolved": "https://registry.npmjs.org/@babel/helper-call-delegate/-/helper-call-delegate-7.4.0.tgz",
-      "integrity": "sha512-SdqDfbVdNQCBp3WhK2mNdDvHd3BD6qbmIc43CAyjnsfCmgHMeqgDcM3BzY2lchi7HBJGJ2CVdynLWbezaE4mmQ==",
+      "version": "7.4.4",
+      "resolved": "https://registry.npmjs.org/@babel/helper-call-delegate/-/helper-call-delegate-7.4.4.tgz",
+      "integrity": "sha512-l79boDFJ8S1c5hvQvG+rc+wHw6IuH7YldmRKsYtpbawsxURu/paVy57FZMomGK22/JckepaikOkY0MoAmdyOlQ==",
       "dev": true,
       "requires": {
-        "@babel/helper-hoist-variables": "^7.4.0",
-        "@babel/traverse": "^7.4.0",
-        "@babel/types": "^7.4.0"
+        "@babel/helper-hoist-variables": "^7.4.4",
+        "@babel/traverse": "^7.4.4",
+        "@babel/types": "^7.4.4"
       }
     },
     "@babel/helper-define-map": {
-      "version": "7.4.0",
-      "resolved": "https://registry.npmjs.org/@babel/helper-define-map/-/helper-define-map-7.4.0.tgz",
-      "integrity": "sha512-wAhQ9HdnLIywERVcSvX40CEJwKdAa1ID4neI9NXQPDOHwwA+57DqwLiPEVy2AIyWzAk0CQ8qx4awO0VUURwLtA==",
+      "version": "7.5.5",
+      "resolved": "https://registry.npmjs.org/@babel/helper-define-map/-/helper-define-map-7.5.5.tgz",
+      "integrity": "sha512-fTfxx7i0B5NJqvUOBBGREnrqbTxRh7zinBANpZXAVDlsZxYdclDp467G1sQ8VZYMnAURY3RpBUAgOYT9GfzHBg==",
       "dev": true,
       "requires": {
         "@babel/helper-function-name": "^7.1.0",
-        "@babel/types": "^7.4.0",
-        "lodash": "^4.17.11"
+        "@babel/types": "^7.5.5",
+        "lodash": "^4.17.13"
       }
     },
     "@babel/helper-explode-assignable-expression": {
@@ -120,21 +120,21 @@
       }
     },
     "@babel/helper-hoist-variables": {
-      "version": "7.4.0",
-      "resolved": "https://registry.npmjs.org/@babel/helper-hoist-variables/-/helper-hoist-variables-7.4.0.tgz",
-      "integrity": "sha512-/NErCuoe/et17IlAQFKWM24qtyYYie7sFIrW/tIQXpck6vAu2hhtYYsKLBWQV+BQZMbcIYPU/QMYuTufrY4aQw==",
+      "version": "7.4.4",
+      "resolved": "https://registry.npmjs.org/@babel/helper-hoist-variables/-/helper-hoist-variables-7.4.4.tgz",
+      "integrity": "sha512-VYk2/H/BnYbZDDg39hr3t2kKyifAm1W6zHRfhx8jGjIHpQEBv9dry7oQ2f3+J703TLu69nYdxsovl0XYfcnK4w==",
       "dev": true,
       "requires": {
-        "@babel/types": "^7.4.0"
+        "@babel/types": "^7.4.4"
       }
     },
     "@babel/helper-member-expression-to-functions": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/@babel/helper-member-expression-to-functions/-/helper-member-expression-to-functions-7.0.0.tgz",
-      "integrity": "sha512-avo+lm/QmZlv27Zsi0xEor2fKcqWG56D5ae9dzklpIaY7cQMK5N8VSpaNVPPagiqmy7LrEjK1IWdGMOqPu5csg==",
+      "version": "7.5.5",
+      "resolved": "https://registry.npmjs.org/@babel/helper-member-expression-to-functions/-/helper-member-expression-to-functions-7.5.5.tgz",
+      "integrity": "sha512-5qZ3D1uMclSNqYcXqiHoA0meVdv+xUEex9em2fqMnrk/scphGlGgg66zjMrPJESPwrFJ6sbfFQYUSa0Mz7FabA==",
       "dev": true,
       "requires": {
-        "@babel/types": "^7.0.0"
+        "@babel/types": "^7.5.5"
       }
     },
     "@babel/helper-module-imports": {
@@ -147,17 +147,17 @@
       }
     },
     "@babel/helper-module-transforms": {
-      "version": "7.4.3",
-      "resolved": "https://registry.npmjs.org/@babel/helper-module-transforms/-/helper-module-transforms-7.4.3.tgz",
-      "integrity": "sha512-H88T9IySZW25anu5uqyaC1DaQre7ofM+joZtAaO2F8NBdFfupH0SZ4gKjgSFVcvtx/aAirqA9L9Clio2heYbZA==",
+      "version": "7.5.5",
+      "resolved": "https://registry.npmjs.org/@babel/helper-module-transforms/-/helper-module-transforms-7.5.5.tgz",
+      "integrity": "sha512-jBeCvETKuJqeiaCdyaheF40aXnnU1+wkSiUs/IQg3tB85up1LyL8x77ClY8qJpuRJUcXQo+ZtdNESmZl4j56Pw==",
       "dev": true,
       "requires": {
         "@babel/helper-module-imports": "^7.0.0",
         "@babel/helper-simple-access": "^7.1.0",
-        "@babel/helper-split-export-declaration": "^7.0.0",
-        "@babel/template": "^7.2.2",
-        "@babel/types": "^7.2.2",
-        "lodash": "^4.17.11"
+        "@babel/helper-split-export-declaration": "^7.4.4",
+        "@babel/template": "^7.4.4",
+        "@babel/types": "^7.5.5",
+        "lodash": "^4.17.13"
       }
     },
     "@babel/helper-optimise-call-expression": {
@@ -176,12 +176,12 @@
       "dev": true
     },
     "@babel/helper-regex": {
-      "version": "7.4.3",
-      "resolved": "https://registry.npmjs.org/@babel/helper-regex/-/helper-regex-7.4.3.tgz",
-      "integrity": "sha512-hnoq5u96pLCfgjXuj8ZLX3QQ+6nAulS+zSgi6HulUwFbEruRAKwbGLU5OvXkE14L8XW6XsQEKsIDfgthKLRAyA==",
+      "version": "7.5.5",
+      "resolved": "https://registry.npmjs.org/@babel/helper-regex/-/helper-regex-7.5.5.tgz",
+      "integrity": "sha512-CkCYQLkfkiugbRDO8eZn6lRuR8kzZoGXCg3149iTk5se7g6qykSpy3+hELSwquhu+TgHn8nkLiBwHvNX8Hofcw==",
       "dev": true,
       "requires": {
-        "lodash": "^4.17.11"
+        "lodash": "^4.17.13"
       }
     },
     "@babel/helper-remap-async-to-generator": {
@@ -198,15 +198,15 @@
       }
     },
     "@babel/helper-replace-supers": {
-      "version": "7.4.0",
-      "resolved": "https://registry.npmjs.org/@babel/helper-replace-supers/-/helper-replace-supers-7.4.0.tgz",
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+      "version": "7.5.5",
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@@ -8668,15 +8658,6 @@
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@@ -8729,36 +8710,6 @@
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@@ -8789,15 +8740,6 @@
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@@ -8833,9 +8775,15 @@
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+    "v8-compile-cache": {
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+      "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.1.0.tgz",
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@@ -8884,15 +8832,6 @@
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@@ -8924,17 +8863,6 @@
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@@ -8946,12 +8874,6 @@
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@@ -8959,9 +8881,9 @@
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-      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
-      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68=",
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
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@@ -9027,9 +8949,9 @@
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-          "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.2.0.tgz",
-          "integrity": "sha512-pZbTJpoUsCzV48Mc9Nh51VbwO0X9cuPFE8gYwx9BTCt9SF8/b7Zljd2fVgOxhIF/HDTKgpVzs+GPhyKfjLLFRQ==",
+          "version": "2.2.1",
+          "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.2.1.tgz",
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@@ -9071,9 +8993,9 @@
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+          "version": "13.1.1",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.1.tgz",
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@@ -9134,9 +9056,9 @@
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+          "version": "2.2.1",
+          "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.2.1.tgz",
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@@ -9211,16 +9133,16 @@
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+      "version": "0.27.0",
+      "resolved": "https://registry.npmjs.org/yup/-/yup-0.27.0.tgz",
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       "dev": true,
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-        "@babel/runtime": "7.0.0",
+        "@babel/runtime": "^7.0.0",
         "fn-name": "~2.0.1",
-        "lodash": "^4.17.10",
+        "lodash": "^4.17.11",
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+        "synchronous-promise": "^2.0.6",
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diff --git a/package.json b/package.json
index 742392c..e60a7bc 100755
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@chenfengyuan/vue-countdown",
   "description": "Countdown component for Vue.js.",
-  "version": "1.1.2",
+  "version": "1.1.3",
   "main": "dist/vue-countdown.common.js",
   "module": "dist/vue-countdown.esm.js",
   "browser": "dist/vue-countdown.js",
@@ -44,34 +44,34 @@
   },
   "homepage": "https://fengyuanchen.github.io/vue-countdown",
   "devDependencies": {
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-    "@babel/preset-env": "^7.4.3",
-    "@commitlint/cli": "^7.5.2",
-    "@commitlint/config-conventional": "^7.5.0",
-    "babel-plugin-istanbul": "^5.1.2",
+    "@babel/core": "^7.6.0",
+    "@babel/preset-env": "^7.6.0",
+    "@commitlint/cli": "^8.1.0",
+    "@commitlint/config-conventional": "^8.1.0",
+    "babel-plugin-istanbul": "^5.2.0",
     "chai": "^4.2.0",
     "change-case": "^3.1.0",
-    "codecov": "^3.3.0",
+    "codecov": "^3.5.0",
     "create-banner": "^1.0.0",
-    "del-cli": "^1.1.0",
-    "eslint": "^5.16.0",
-    "eslint-config-airbnb-base": "^13.1.0",
-    "eslint-plugin-import": "^2.17.1",
-    "husky": "^1.3.1",
-    "karma": "^4.1.0",
+    "del-cli": "^3.0.0",
+    "eslint": "^6.4.0",
+    "eslint-config-airbnb-base": "^14.0.0",
+    "eslint-plugin-import": "^2.18.2",
+    "husky": "^3.0.5",
+    "karma": "^4.3.0",
     "karma-chai": "^0.1.0",
-    "karma-chrome-launcher": "^2.2.0",
-    "karma-coverage-istanbul-reporter": "^2.0.5",
+    "karma-chrome-launcher": "^3.1.0",
+    "karma-coverage-istanbul-reporter": "^2.1.0",
     "karma-mocha": "^1.3.0",
     "karma-mocha-reporter": "^2.2.5",
-    "karma-rollup-preprocessor": "^7.0.0",
-    "lint-staged": "^8.1.5",
-    "mocha": "^6.1.3",
-    "puppeteer": "^1.14.0",
-    "rollup": "^1.10.0",
-    "rollup-plugin-babel": "^4.3.2",
+    "karma-rollup-preprocessor": "^7.0.2",
+    "lint-staged": "^8.2.1",
+    "mocha": "^6.2.0",
+    "puppeteer": "^1.20.0",
+    "rollup": "^1.21.2",
+    "rollup-plugin-babel": "^4.3.3",
     "rollup-watch": "^4.3.1",
-    "uglify-js": "^3.5.4",
+    "uglify-js": "^3.6.0",
     "vue": "^2.6.10"
   },
   "peerDependencies": {