diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c825282..3e8cbad 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -47,7 +47,7 @@ jobs:
         pip install -U pip wheel setuptools
         pip install -U -e .[test]
         pip install ${{ matrix.django-version }}
-        sudo npm install -g jshint stylelint
+        sudo npm install -g prettier
 
     - name: QA checks
       run: |
diff --git a/.jshintrc b/.jshintrc
deleted file mode 100644
index 76853db..0000000
--- a/.jshintrc
+++ /dev/null
@@ -1,14 +0,0 @@
-{
-    "undef": false,
-    "unused": true,
-    "esversion": 6,
-    "curly": true,
-    "strict": "global",
-    "globals": {
-        "alert": true,
-        "django": true,
-        "gettext": true,
-        "_": true
-    },
-    "browser": true
-}
diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 0000000..06b8372
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1 @@
+flat_json_widget/static/flat-json-widget/js/lib/*.js
diff --git a/.stylelintrc.json b/.stylelintrc.json
deleted file mode 100644
index cc6cead..0000000
--- a/.stylelintrc.json
+++ /dev/null
@@ -1,20 +0,0 @@
-{
-    "rules": {
-        "block-no-empty": null,
-        "color-no-invalid-hex": true,
-        "comment-empty-line-before": [
-            "always",
-            {
-                "ignore": ["stylelint-commands", "after-comment"]
-            }
-        ],
-        "rule-empty-line-before": [
-            "never-multi-line",
-            {
-                "except": ["first-nested"],
-                "ignore": ["after-comment", "inside-block"]
-            }
-        ],
-        "unit-allowed-list": ["em", "rem", "%", "s", "px", "vh", "deg", "pt"]
-    }
-}
diff --git a/flat_json_widget/static/flat-json-widget/css/flat-json-widget.css b/flat_json_widget/static/flat-json-widget/css/flat-json-widget.css
index d3154ff..b53be19 100644
--- a/flat_json_widget/static/flat-json-widget/css/flat-json-widget.css
+++ b/flat_json_widget/static/flat-json-widget/css/flat-json-widget.css
@@ -1,26 +1,33 @@
-.flat-json-textarea textarea{ font-family: monospace }
-.flat-json-add-row, .flat-json-toggle-textarea{ text-decoration: none !important }
-.flat-json-key{
+.flat-json-textarea textarea {
+  font-family: monospace;
+}
+.flat-json-add-row,
+.flat-json-toggle-textarea {
+  text-decoration: none !important;
+}
+.flat-json-key {
   width: 140px !important;
   margin-right: 2px;
 }
-.flat-json-value{
+.flat-json-value {
   margin-left: 6px;
-  width: 320px
+  width: 320px;
 }
-.flat-json .help{
+.flat-json .help {
   margin: 0 !important;
   padding: 0 !important;
 }
 
 @media screen and (max-width: 767px) {
-  .flat-json-add-row{ margin-right: 10px }
-  .flat-json-key{
+  .flat-json-add-row {
+    margin-right: 10px;
+  }
+  .flat-json-key {
     width: 25% !important;
     margin-right: 4px !important;
     flex: none !important;
   }
-  .flat-json-value{
+  .flat-json-value {
     width: 55% !important;
     margin-left: 6px !important;
     flex: none !important;
@@ -29,6 +36,6 @@
     line-height: 33px;
   }
   .flat-json-remove-row {
-    margin-left: 5px
+    margin-left: 5px;
   }
 }
diff --git a/flat_json_widget/static/flat-json-widget/js/flat-json-widget.js b/flat_json_widget/static/flat-json-widget/js/flat-json-widget.js
index 724f204..bfacfb9 100644
--- a/flat_json_widget/static/flat-json-widget/js/flat-json-widget.js
+++ b/flat_json_widget/static/flat-json-widget/js/flat-json-widget.js
@@ -1,188 +1,195 @@
-'use strict';
-var initJsonKeyValueWidget = function(fieldName, inlinePrefix) {
-    // ignore inline templates
-    // if fieldName contains "__prefix__"
-    if(fieldName.indexOf('__prefix__') > -1){
-        return;
+"use strict";
+var initJsonKeyValueWidget = function (fieldName, inlinePrefix) {
+  // ignore inline templates
+  // if fieldName contains "__prefix__"
+  if (fieldName.indexOf("__prefix__") > -1) {
+    return;
+  }
+
+  var $ = django.jQuery;
+
+  // processing inlines
+  if (fieldName.indexOf("inline") > -1) {
+    var inlineClass = $("#id_" + fieldName)
+      .parents(".inline-related")
+      .attr("class");
+    // if using TabularInlines stop here
+    // TabularInlines not supported
+    if (inlineClass.indexOf("tabular") > -1) {
+      return;
     }
-
-    var $ = django.jQuery;
-
-    // processing inlines
-    if(fieldName.indexOf('inline') > -1){
-        var inlineClass = $('#id_'+fieldName).parents('.inline-related').attr('class');
-        // if using TabularInlines stop here
-        // TabularInlines not supported
-        if (inlineClass.indexOf('tabular') > -1) {
-            return;
-        }
+  }
+
+  // reusable function that retrieves a template even if ID is not correct
+  // (written to support inlines)
+  var retrieveTemplate = function (templateName, fieldName) {
+    var template = $("#" + templateName + "-" + fieldName);
+    // if found specific template return that
+    if (template.length) {
+      return template.html();
+    } else {
+      // get fallback template
+      var html = $("." + templateName + "-inline").html();
+      // replace all occurrences of __prefix__ with fieldName
+      // and return
+      html = html.replace(/__prefix__/g, inlinePrefix);
+      return html;
+    }
+  };
+
+  // reusable function that compiles the UI
+  var compileUI = function (params) {
+    var fieldId = "id_" + fieldName,
+      originalTextarea = $("#" + fieldId),
+      originalValue = originalTextarea.val(),
+      originalContainer = originalTextarea.parents(".form-row").eq(0),
+      errorHtml = originalContainer.find(".errorlist").html(),
+      jsonData = { "": "" };
+
+    if (originalValue !== "" && originalValue !== "{}") {
+      // manage case in which textarea is blank
+      try {
+        jsonData = JSON.parse(originalValue);
+      } catch (e) {
+        alert("invalid JSON:\n" + e);
+        return false;
+      }
     }
 
-    // reusable function that retrieves a template even if ID is not correct
-    // (written to support inlines)
-    var retrieveTemplate = function(templateName, fieldName){
-        var template = $('#'+templateName+'-'+fieldName);
-        // if found specific template return that
-        if(template.length){
-            return template.html();
-        }
-        else{
-            // get fallback template
-            var html = $('.'+templateName+'-inline').html();
-            // replace all occurrences of __prefix__ with fieldName
-            // and return
-            html = html.replace(/__prefix__/g, inlinePrefix);
-            return html;
-        }
-    };
-
-    // reusable function that compiles the UI
-    var compileUI = function(params){
-        var fieldId = 'id_' + fieldName,
-            originalTextarea = $('#' + fieldId),
-            originalValue = originalTextarea.val(),
-            originalContainer = originalTextarea.parents('.form-row').eq(0),
-            errorHtml = originalContainer.find('.errorlist').html(),
-            jsonData = {'': ''};
-
-        if(originalValue !== '' && originalValue !== '{}'){
-            // manage case in which textarea is blank
-            try{
-                jsonData = JSON.parse(originalValue);
-            }
-            catch(e){
-                alert('invalid JSON:\n'+e);
-                return false;
-            }
-        }
-
-        var fieldData = {
-                'id': fieldId,
-                'label': originalContainer.find('label').text(),
-                'name': fieldName,
-                'value': originalTextarea.val(),
-                'help': originalContainer.find('.help').text(),
-                'errors': errorHtml,
-                'data': jsonData
-            },
-            // compile template
-            uiHtml = retrieveTemplate('flat-json-ui-template', fieldName),
-            compiledUiHtml = _.template(uiHtml)(fieldData);
-
-        // this is just to DRY up a bit
-        if(params && params.replaceOriginal === true){
-            // remove original textarea to avoid having two textareas with same ID
-            originalTextarea.remove();
-            // inject compiled template and hide original
-            originalContainer.after(compiledUiHtml).hide();
-        }
-
-        return compiledUiHtml;
-    };
-
-    // generate UI
-    compileUI({ replaceOriginal: true });
-
-    // cache other objects that we'll reuse
-    var row_html = retrieveTemplate('flat-json-row-template', fieldName),
-        emptyRow = _.template(row_html)({ 'key': '', 'value': '' }),
-        $json = $('#id_'+fieldName).parents('.flat-json');
-
-    // reusable function that updates the textarea value
-    var updateTextarea = function(container) {
-        // init empty json object
-        var newValue = {},
-            rawTextarea = container.find('textarea'),
-            rows = container.find('.form-row');
-
-        // loop over each object and populate json
-        rows.each(function() {
-            var inputs = $(this).find('input'),
-                key = inputs.eq(0).val(),
-                value = inputs.eq(1).val();
-            newValue[key] = value;
-        });
-
-        // update textarea value
-        $(rawTextarea).val(JSON.stringify(newValue, null, 4));
-    };
-
-    // remove row link
-    $json.delegate('a.flat-json-remove-row', 'click', function(e) {
-        e.preventDefault();
-        // cache container jquery object before $(this) gets removed
-        $(this).parents('.form-row').eq(0).remove();
-        updateTextarea($json);
-    });
+    var fieldData = {
+        id: fieldId,
+        label: originalContainer.find("label").text(),
+        name: fieldName,
+        value: originalTextarea.val(),
+        help: originalContainer.find(".help").text(),
+        errors: errorHtml,
+        data: jsonData,
+      },
+      // compile template
+      uiHtml = retrieveTemplate("flat-json-ui-template", fieldName),
+      compiledUiHtml = _.template(uiHtml)(fieldData);
+
+    // this is just to DRY up a bit
+    if (params && params.replaceOriginal === true) {
+      // remove original textarea to avoid having two textareas with same ID
+      originalTextarea.remove();
+      // inject compiled template and hide original
+      originalContainer.after(compiledUiHtml).hide();
+    }
 
-    // add row link
-    $json.delegate('a.flat-json-add-row', 'click', function(e) {
-        e.preventDefault();
-        $json.find('.flat-json-rows').append(emptyRow);
+    return compiledUiHtml;
+  };
+
+  // generate UI
+  compileUI({ replaceOriginal: true });
+
+  // cache other objects that we'll reuse
+  var row_html = retrieveTemplate("flat-json-row-template", fieldName),
+    emptyRow = _.template(row_html)({ key: "", value: "" }),
+    $json = $("#id_" + fieldName).parents(".flat-json");
+
+  // reusable function that updates the textarea value
+  var updateTextarea = function (container) {
+    // init empty json object
+    var newValue = {},
+      rawTextarea = container.find("textarea"),
+      rows = container.find(".form-row");
+
+    // loop over each object and populate json
+    rows.each(function () {
+      var inputs = $(this).find("input"),
+        key = inputs.eq(0).val(),
+        value = inputs.eq(1).val();
+      newValue[key] = value;
     });
 
-    // toggle textarea link
-    $json.delegate('.flat-json-toggle-textarea', 'click', function(e) {
-        e.preventDefault();
-
-        var rawTextarea = $json.find('.flat-json-textarea'),
-            jsonRows = $json.find('.flat-json-rows'),
-            addRow = $json.find('.flat-json-add-row');
-
-        if(rawTextarea.css('display') !== 'none') {
-            var compiledUi = compileUI();
-            // in case of JSON error
-            if(compiledUi === false){
-                return;
-            }
-
-            var $ui = $($.parseHTML(compiledUi));
-
-            // update rows with only relevant content
-            jsonRows.html($ui.find('.flat-json-rows').html());
-            rawTextarea.hide();
-            jsonRows.show();
-            addRow.show();
-        }
-        else{
-            rawTextarea.show();
-            jsonRows.hide();
-            addRow.hide();
-        }
-    });
+    // update textarea value
+    $(rawTextarea).val(JSON.stringify(newValue, null, 4));
+  };
+
+  // remove row link
+  $json.delegate("a.flat-json-remove-row", "click", function (e) {
+    e.preventDefault();
+    // cache container jquery object before $(this) gets removed
+    $(this).parents(".form-row").eq(0).remove();
+    updateTextarea($json);
+  });
+
+  // add row link
+  $json.delegate("a.flat-json-add-row", "click", function (e) {
+    e.preventDefault();
+    $json.find(".flat-json-rows").append(emptyRow);
+  });
+
+  // toggle textarea link
+  $json.delegate(".flat-json-toggle-textarea", "click", function (e) {
+    e.preventDefault();
+
+    var rawTextarea = $json.find(".flat-json-textarea"),
+      jsonRows = $json.find(".flat-json-rows"),
+      addRow = $json.find(".flat-json-add-row");
+
+    if (rawTextarea.css("display") !== "none") {
+      var compiledUi = compileUI();
+      // in case of JSON error
+      if (compiledUi === false) {
+        return;
+      }
+
+      var $ui = $($.parseHTML(compiledUi));
+
+      // update rows with only relevant content
+      jsonRows.html($ui.find(".flat-json-rows").html());
+      rawTextarea.hide();
+      jsonRows.show();
+      addRow.show();
+    } else {
+      rawTextarea.show();
+      jsonRows.hide();
+      addRow.hide();
+    }
+  });
 
-    // update textarea whenever a field changes
-    $json.delegate('input[type=text]', 'input propertychange', function() {
-        updateTextarea($json);
-    });
+  // update textarea whenever a field changes
+  $json.delegate("input[type=text]", "input propertychange", function () {
+    updateTextarea($json);
+  });
 };
 
 django.jQuery(function ($) {
-    // support inlines
-    // bind only once
-    if(typeof django.jsonWidgetBoundInlines === 'undefined'){
-        $('form').delegate('.inline-group .add-row a', 'click', function() {
-            var jsonOriginalTextareas = $(this).parents('.inline-group').eq(0).find('.flat-json-original-textarea');
-            // if module contains .flat-json-original-textarea
-            if(jsonOriginalTextareas.length > 0){
-                // loop over each inline
-                $(this).parents('.inline-group').find('.inline-related').each(function(e, i){
-                    var prefix = i;
-                    // loop each textarea
-                    $(this).find('.flat-json-original-textarea').each(function(){
-                        // cache field name
-                        var fieldName = $(this).attr('name');
-                        // ignore templates
-                        // if name attribute contains __prefix__
-                        if(fieldName.indexOf('prefix') > -1){
-                            // skip to next
-                            return;
-                        }
-                        initJsonKeyValueWidget(fieldName, prefix);
-                    });
-                });
-            }
-        });
-        django.jsonWidgetBoundInlines = true;
-    }
+  // support inlines
+  // bind only once
+  if (typeof django.jsonWidgetBoundInlines === "undefined") {
+    $("form").delegate(".inline-group .add-row a", "click", function () {
+      var jsonOriginalTextareas = $(this)
+        .parents(".inline-group")
+        .eq(0)
+        .find(".flat-json-original-textarea");
+      // if module contains .flat-json-original-textarea
+      if (jsonOriginalTextareas.length > 0) {
+        // loop over each inline
+        $(this)
+          .parents(".inline-group")
+          .find(".inline-related")
+          .each(function (e, i) {
+            var prefix = i;
+            // loop each textarea
+            $(this)
+              .find(".flat-json-original-textarea")
+              .each(function () {
+                // cache field name
+                var fieldName = $(this).attr("name");
+                // ignore templates
+                // if name attribute contains __prefix__
+                if (fieldName.indexOf("prefix") > -1) {
+                  // skip to next
+                  return;
+                }
+                initJsonKeyValueWidget(fieldName, prefix);
+              });
+          });
+      }
+    });
+    django.jsonWidgetBoundInlines = true;
+  }
 });
diff --git a/run-qa-checks b/run-qa-checks
index b79d476..fa512ae 100755
--- a/run-qa-checks
+++ b/run-qa-checks
@@ -1,5 +1,6 @@
 #!/bin/bash
 set -e
-jshint flat_json_widget/static/flat-json-widget/js/*.js
-stylelint flat_json_widget/static/flat-json-widget/css/*.css
-openwisp-qa-check --skip-checkmigrations
+
+openwisp-qa-check --skip-checkmigrations \
+                  --jslinter \
+                  --csslinter
diff --git a/setup.py b/setup.py
index 82e6abf..8d32b56 100644
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,10 @@
     install_requires=[],
     extras_require={
         'test': [
-            'openwisp-utils[qa]~=1.1.0',
+            (
+                'openwisp-utils[qa]'
+                ' @ https://github.com/openwisp/openwisp-utils/tarball/1.2'
+            ),
             'django-extensions~=3.2.0',
         ]
     },