diff --git a/application/views/backend/settings.php b/application/views/backend/settings.php
index faa0d326..953be607 100755
--- a/application/views/backend/settings.php
+++ b/application/views/backend/settings.php
@@ -195,7 +195,7 @@
                                 </label>
                                 <br>
                                 <button type="button" id="require-phone-number" class="btn btn-light" data-toggle="button" aria-pressed="false">
-                                    <span class="glyphicon glyphicon-phone-alt"></span>
+                                    <i class="fas fa-phone-alt"></i>
                                     <?= lang('require_phone_number') ?>
                                 </button>
                                 <span class="help-block">
@@ -206,7 +206,7 @@
                                 <label><?= lang('any_provider') ?></label>
                                 <br>
                                 <button type="button" id="display-any-provider" class="btn btn-light" data-toggle="button" aria-pressed="false">
-                                    <span class="glyphicon glyphicon-user"></span>
+                                    <i class="fas fa-user"></i>
                                     <?= lang('display_any_provider') ?>
                                 </button>
                                 <span class="help-block">
@@ -256,7 +256,7 @@
 
                             <div class="text-right">
                                 <button class="btn btn-light" id="apply-global-working-plan" type="button">
-                                    <span class="glyphicon glyphicon-ok"></span>
+                                    <i class="fas fa-check"></i>
                                     <?= lang('apply_to_all_providers') ?>
                                 </button>
                             </div>
diff --git a/application/views/backend/users.php b/application/views/backend/users.php
index f2a78a9f..41a658b6 100755
--- a/application/views/backend/users.php
+++ b/application/views/backend/users.php
@@ -266,7 +266,7 @@
 
                         <div>
                             <button type="button" class="add-extra-periods btn btn-info">
-                                <span class="glyphicon glyphicon-plus"></span>
+                                <i class="fas fa-plus"></i>
                                 <?= lang('add_extra_period') ?>
                             </button>
                         </div>
diff --git a/assets/css/frontend.css b/assets/css/frontend.css
index c5c1fa31..dd90733f 100644
--- a/assets/css/frontend.css
+++ b/assets/css/frontend.css
@@ -191,12 +191,12 @@ body {
     margin-top: 7px;
 }
 
-#book-appointment-wizard .captcha-title .glyphicon-refresh {
+#book-appointment-wizard .captcha-title .fa-sync-alt {
     cursor: pointer;
     transition: all 0.3s linear;
 }
 
-#book-appointment-wizard .captcha-title .glyphicon-refresh:hover {
+#book-appointment-wizard .captcha-title .fa-sync-alt:hover {
     color: #1A865F;
 }
 
diff --git a/assets/js/backend_calendar_table_view.js b/assets/js/backend_calendar_table_view.js
index 693412a9..c409b9c3 100755
--- a/assets/js/backend_calendar_table_view.js
+++ b/assets/js/backend_calendar_table_view.js
@@ -317,7 +317,7 @@ window.BackendCalendarTableView = window.BackendCalendarTableView || {};
             'class': 'btn btn-xs btn-light previous',
             'html': [
                 $('<span/>', {
-                    'class': 'glyphicon glyphicon-chevron-left'
+                    'class': 'fas fa-chevron-left'
                 })
             ]
         })
@@ -334,7 +334,7 @@ window.BackendCalendarTableView = window.BackendCalendarTableView || {};
             'class': 'btn btn-xs btn-light next',
             'html': [
                 $('<span/>', {
-                    'class': 'glyphicon glyphicon-chevron-right'
+                    'class': 'fas fa-chevron-right'
                 })
             ]
         })
diff --git a/assets/js/general_functions.js b/assets/js/general_functions.js
index b458ef7e..bbd2b066 100755
--- a/assets/js/general_functions.js
+++ b/assets/js/general_functions.js
@@ -518,7 +518,7 @@ window.GeneralFunctions = window.GeneralFunctions || {};
                     'target': '_blank',
                     'html': [
                         $('<span/>', {
-                            'class': 'glyphicon glyphicon-map-marker'
+                            'class': 'fas fa-map-marker-alt'
                         })
                     ]
                 })
@@ -542,7 +542,7 @@ window.GeneralFunctions = window.GeneralFunctions || {};
                     'target': '_blank',
                     'html': [
                         $('<span/>', {
-                            'class': 'glyphicon glyphicon-envelope'
+                            'class': 'far fa-envelope'
                         })
                     ]
                 })
@@ -566,7 +566,7 @@ window.GeneralFunctions = window.GeneralFunctions || {};
                     'target': '_blank',
                     'html': [
                         $('<span/>', {
-                            'class': 'glyphicon glyphicon-earphone'
+                            'class': 'fas fa-phone-alt'
                         })
                     ]
                 })
diff --git a/assets/js/working_plan.js b/assets/js/working_plan.js
index 7cc3a155..b4333c4e 100755
--- a/assets/js/working_plan.js
+++ b/assets/js/working_plan.js
@@ -225,7 +225,7 @@
                                     'title': EALang.edit,
                                     'html': [
                                         $('<span/>', {
-                                            'class': 'glyphicon glyphicon-pencil'
+                                            'class': 'far fa-edit'
                                         })
                                     ]
                                 }),
@@ -235,7 +235,7 @@
                                     'title': EALang.delete,
                                     'html': [
                                         $('<span/>', {
-                                            'class': 'glyphicon glyphicon-trash'
+                                            'class': 'far fa-trash-alt'
                                         })
                                     ]
                                 }),
@@ -245,7 +245,7 @@
                                     'title': EALang.save,
                                     'html': [
                                         $('<span/>', {
-                                            'class': 'glyphicon glyphicon-ok'
+                                            'class': 'far fa-check-circle'
                                         })
                                     ]
                                 }),
@@ -255,7 +255,7 @@
                                     'title': EALang.cancel,
                                     'html': [
                                         $('<span/>', {
-                                            'class': 'glyphicon glyphicon-ban-circle'
+                                            'class': 'fas fa-ban'
                                         })
                                     ]
                                 })
@@ -584,7 +584,7 @@
                                 'title': EALang.edit,
                                 'html': [
                                     $('<span/>', {
-                                        'class': 'glyphicon glyphicon-pencil'
+                                        'class': 'far fa-edit'
                                     })
                                 ]
                             }),
@@ -594,7 +594,7 @@
                                 'title': EALang.delete,
                                 'html': [
                                     $('<span/>', {
-                                        'class': 'glyphicon glyphicon-trash'
+                                        'class': 'far fa-trash-alt'
                                     })
                                 ]
                             }),
@@ -604,7 +604,7 @@
                                 'title': EALang.save,
                                 'html': [
                                     $('<span/>', {
-                                        'class': 'glyphicon glyphicon-ok'
+                                        'class': 'far fa-check-circle'
                                     })
                                 ]
                             }),
@@ -614,7 +614,7 @@
                                 'title': EALang.cancel,
                                 'html': [
                                     $('<span/>', {
-                                        'class': 'glyphicon glyphicon-ban-circle'
+                                        'class': 'fas fa-ban'
                                     })
                                 ]
                             })