diff --git a/bower.json b/bower.json
index bc3aaf6..c282db2 100644
--- a/bower.json
+++ b/bower.json
@@ -16,7 +16,7 @@
   "dependencies": {
     "angular": ">= 1.2",
     "angular-bindonce": "*",
-    "moment": "~2.6.0",
+    "moment": ">= 2.6.0",
     "moment-range": "~1.0.1"
   },
   "license": "MIT",
diff --git a/build/angular-mighty-datepicker.js b/build/angular-mighty-datepicker.js
index 0aefaf2..503c00e 100644
--- a/build/angular-mighty-datepicker.js
+++ b/build/angular-mighty-datepicker.js
@@ -1,7 +1,7 @@
 (function() {
-  angular.module("mightyDatepicker", ['pasvaz.bindonce']);
+  var mightyDatepicker;
 
-  angular.module("mightyDatepicker").directive("mightyDatepicker", ['$compile', function($compile) {
+  mightyDatepicker = function($compile) {
     var options, pickerTemplate;
     pickerTemplate = "<div class=\"mighty-picker__wrapper\">\n  <button type=\"button\" class=\"mighty-picker__prev-month\"\n    ng-click=\"moveMonth(-1)\">\n    <<\n  </button>\n  <div class=\"mighty-picker__month\"\n    bindonce ng-repeat=\"month in months track by $index\">\n    <div class=\"mighty-picker__month-name\" ng-bind=\"month.name\"></div>\n    <table class=\"mighty-picker-calendar\">\n      <tr class=\"mighty-picker-calendar__days\">\n        <th bindonce ng-repeat=\"day in month.weeks[1]\"\n          class=\"mighty-picker-calendar__weekday\"\n          bo-text=\"day.date.format('dd')\">\n        </th>\n      </tr>\n      <tr bindonce ng-repeat=\"week in month.weeks\">\n        <td\n            bo-class='{\n              \"mighty-picker-calendar__day\": day,\n              \"mighty-picker-calendar__day--selected\": day.selected,\n              \"mighty-picker-calendar__day--disabled\": day.disabled,\n              \"mighty-picker-calendar__day--in-range\": day.inRange,\n              \"mighty-picker-calendar__day--marked\": day.marker\n            }'\n            ng-repeat=\"day in week track by $index\" ng-click=\"select(day)\">\n            <div class=\"mighty-picker-calendar__day-wrapper\"\n              bo-text=\"day.date.date()\"></div>\n            <div class=\"mighty-picker-calendar__day-marker-wrapper\">\n              <div class=\"mighty-picker-calendar__day-marker\"\n                ng-if=\"day.marker\"\n                ng-bind-template=\"\">\n              </div>\n            </div>\n        </td>\n      </tr>\n    </table>\n  </div>\n  <button type=\"button\" class=\"mighty-picker__next-month\"\n    ng-click=\"moveMonth(1)\">\n    >>\n  </button>\n</div>";
     options = {
@@ -271,6 +271,10 @@
         });
       }
     };
-  });
+  };
+
+  mightyDatepicker.$inject = ['$compile'];
+
+  angular.module("mightyDatepicker", ['pasvaz.bindonce']).directive("mightyDatepicker", mightyDatepicker);
 
 }).call(this);
diff --git a/src/angular-mighty-datepicker.coffee b/src/angular-mighty-datepicker.coffee
index bd26592..2209901 100644
--- a/src/angular-mighty-datepicker.coffee
+++ b/src/angular-mighty-datepicker.coffee
@@ -1,6 +1,4 @@
-angular.module "mightyDatepicker", ['pasvaz.bindonce']
-
-angular.module("mightyDatepicker").directive "mightyDatepicker", ($compile) ->
+mightyDatepicker = ($compile) ->
   pickerTemplate = """
     <div class="mighty-picker__wrapper">
       <button type="button" class="mighty-picker__prev-month"
@@ -233,3 +231,9 @@ angular.module("mightyDatepicker").directive "mightyDatepicker", ($compile) ->
         newVal = moment(newVal) unless moment.isMoment(newVal)
         unless newVal.isSame(oldVal, 'day')
           _prepare()
+
+mightyDatepicker.$inject = ['$compile']
+
+angular
+  .module("mightyDatepicker", ['pasvaz.bindonce'])
+  .directive("mightyDatepicker", mightyDatepicker)