diff --git a/resources/desktop/com.github.rssguard.appdata.xml b/resources/desktop/com.github.rssguard.appdata.xml
index 51ef5256f..7a9daa84f 100644
--- a/resources/desktop/com.github.rssguard.appdata.xml
+++ b/resources/desktop/com.github.rssguard.appdata.xml
@@ -26,7 +26,7 @@
   <url type="donation">https://github.com/sponsors/martinrotter</url>
   <content_rating type="oars-1.1" />
   <releases>
-    <release version="4.1.2" date="2022-02-03"/>
+    <release version="4.1.2" date="2022-02-07"/>
   </releases>
   <content_rating type="oars-1.0">
     <content_attribute id="violence-cartoon">none</content_attribute>
diff --git a/src/librssguard/miscellaneous/nodejs.cpp b/src/librssguard/miscellaneous/nodejs.cpp
index 1627c1c15..4fcc8071c 100644
--- a/src/librssguard/miscellaneous/nodejs.cpp
+++ b/src/librssguard/miscellaneous/nodejs.cpp
@@ -8,6 +8,9 @@
 #include "miscellaneous/settings.h"
 
 #include <QDir>
+#include <QJsonArray>
+#include <QJsonDocument>
+#include <QJsonObject>
 
 NodeJs::NodeJs(Settings* settings, QObject* parent) : QObject(parent), m_settings(settings) {}
 
@@ -64,14 +67,38 @@ QString NodeJs::npmVersion(const QString& npm_exe) const {
 }
 
 NodeJs::PackageStatus NodeJs::packageStatus(const PackageMetadata& pkg) const {
-  //npm ls --unicode --json --prefix "."
-
   QString npm_ls = IOFactory::startProcessGetOutput(npmExecutable(),
                                                     { QSL("ls"), QSL("--unicode"), QSL("--json"), QSL("--prefix"),
                                                       processedPackageFolder() });
+  QJsonDocument json = QJsonDocument::fromJson(npm_ls.toUtf8());
+  QJsonObject deps = json.object()["dependencies"].toObject();
 
   return {};
 }
 
-void NodeJs::installPackage(const PackageMetadata& pkg)
-{}
+void NodeJs::installUpdatePackage(const PackageMetadata& pkg) {
+  auto pkg_status = packageStatus(pkg);
+
+  switch (pkg_status) {
+    case PackageStatus::NotInstalled:
+      break;
+
+    case PackageStatus::OutOfDate:
+      break;
+
+    case PackageStatus::UpToDate:
+      break;
+  }
+}
+
+void NodeJs::installPackage(const PackageMetadata& pkg) {
+  // npm install --prefix "." @cliqz/adblocker@">=1.0.0 <2.0.0" --production --save-exact
+  //https://docs.npmjs.com/cli/v8/commands/npm-install
+
+}
+
+void NodeJs::updatePackage(const PackageMetadata& pkg)
+{
+  //  npm update --prefix "." @cliqz/adblocker@">=1.0.0 <2.0.0" --production --save-exact
+  //https://docs.npmjs.com/cli/v8/commands/npm-update
+}
diff --git a/src/librssguard/miscellaneous/nodejs.h b/src/librssguard/miscellaneous/nodejs.h
index 5144c63f3..4ab704703 100644
--- a/src/librssguard/miscellaneous/nodejs.h
+++ b/src/librssguard/miscellaneous/nodejs.h
@@ -55,13 +55,16 @@ class NodeJs : public QObject {
 
     // Installs package.
     //
-    // If package is NOT installed, then it is installed.
+    // If package is NOT installed, then it will be installed.
     // If package IS installed but out-of-date, it is updated to desired versions.
     //
     // NOTE: https://docs.npmjs.com/cli/v8/commands/npm-install
-    void installPackage(const PackageMetadata& pkg);
+    void installUpdatePackage(const PackageMetadata& pkg);
 
   private:
+    void installPackage(const PackageMetadata& pkg);
+    void updatePackage(const PackageMetadata& pkg);
+
     Settings* m_settings;
 };