diff --git a/system/admin/views/add-content.html.php b/system/admin/views/add-content.html.php
index b8ca1d3..22d8633 100644
--- a/system/admin/views/add-content.html.php
+++ b/system/admin/views/add-content.html.php
@@ -289,7 +289,7 @@ $( function() {
                             <hr>
                             <div class="form-group">
                                 <label for="insertImageDialogFile"><?php echo i18n('Upload');?></label>
-                                <input type="file" class="form-control-file" name="file" id="insertImageDialogFile" accept="image/png,image/jpeg,image/gif" />
+                                <input type="file" class="form-control-file" name="file" id="insertImageDialogFile" accept="image/png,image/jpeg,image/gif, image/webp" />
                             </div>
                             <hr>
                             <div class="form-group">
@@ -329,7 +329,7 @@ $( function() {
                             <hr>
                             <div class="form-group">
                                 <label for="insertMediaDialogFile"><?php echo i18n('Upload');?></label>
-                                <input type="file" class="form-control-file" name="file" id="insertMediaDialogFile" accept="image/png,image/jpeg,image/gif" />
+                                <input type="file" class="form-control-file" name="file" id="insertMediaDialogFile" accept="image/png,image/jpeg,image/gif, image/webp" />
                             </div>
                             <hr>
                             <div class="form-group">
diff --git a/system/admin/views/add-page.html.php b/system/admin/views/add-page.html.php
index c080667..0daa99a 100644
--- a/system/admin/views/add-page.html.php
+++ b/system/admin/views/add-page.html.php
@@ -163,7 +163,7 @@ if ($type == 'is_page') {
                             <hr>
                             <div class="form-group">
                                 <label for="insertImageDialogFile"><?php echo i18n('Upload');?></label>
-                                <input type="file" class="form-control-file" name="file" id="insertImageDialogFile" accept="image/png,image/jpeg,image/gif" />
+                                <input type="file" class="form-control-file" name="file" id="insertImageDialogFile" accept="image/png,image/jpeg,image/gif, image/webp" />
                             </div>
                             <hr>
                             <div class="form-group">
diff --git a/system/admin/views/edit-content.html.php b/system/admin/views/edit-content.html.php
index 252952c..79fde08 100644
--- a/system/admin/views/edit-content.html.php
+++ b/system/admin/views/edit-content.html.php
@@ -343,7 +343,7 @@ $( function() {
                             <hr>
                             <div class="form-group">
                                 <label for="insertImageDialogFile"><?php echo i18n('Upload');?></label>
-                                <input type="file" class="form-control-file" name="file" id="insertImageDialogFile" accept="image/png,image/jpeg,image/gif" />
+                                <input type="file" class="form-control-file" name="file" id="insertImageDialogFile" accept="image/png,image/jpeg,image/gif, image/webp" />
                             </div>
                             <hr>
                             <div class="form-group">
@@ -383,7 +383,7 @@ $( function() {
                             <hr>
                             <div class="form-group">
                                 <label for="insertMediaDialogFile"><?php echo i18n('Upload');?></label>
-                                <input type="file" class="form-control-file" name="file" id="insertMediaDialogFile" accept="image/png,image/jpeg,image/gif" />
+                                <input type="file" class="form-control-file" name="file" id="insertMediaDialogFile" accept="image/png,image/jpeg,image/gif, image/webp" />
                             </div>
                             <hr>
                             <div class="form-group">
diff --git a/system/admin/views/edit-page.html.php b/system/admin/views/edit-page.html.php
index 26866f0..5523634 100644
--- a/system/admin/views/edit-page.html.php
+++ b/system/admin/views/edit-page.html.php
@@ -284,7 +284,7 @@ if ($type == 'is_page' || $type == 'is_frontpage') {
                             <hr>
                             <div class="form-group">
                                 <label for="insertImageDialogFile"><?php echo i18n('Upload');?></label>
-                                <input type="file" class="form-control-file" name="file" id="insertImageDialogFile" accept="image/png,image/jpeg,image/gif" />
+                                <input type="file" class="form-control-file" name="file" id="insertImageDialogFile" accept="image/png,image/jpeg,image/gif, image/webp" />
                             </div>
                             <hr>
                             <div class="form-group">