diff --git a/Dockerfile b/Dockerfile
index 710ce6316..bbfac955e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=linux/amd64 ruby:3.0.3-slim-buster
+FROM --platform=linux/amd64 ruby:3.0.3-bullseye
 
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 RUN apt-get update > /dev/null && apt-get install -y --no-install-recommends > /dev/null \
@@ -29,27 +29,27 @@ RUN apt-get update > /dev/null && apt-get install -y --no-install-recommends > /
     && rm -rf /var/lib/apt/lists/*
 
 # add repository for Node.js in the LTS version
-RUN curl -sL https://deb.nodesource.com/setup_10.x | bash -
+RUN curl -sL https://deb.nodesource.com/setup_20.x | bash -
 
 RUN apt-get install -y --no-install-recommends > /dev/null \
-  nodejs=* \
-  qt5-default=* \
-  libqt5webkit5-dev=* \
-  gstreamer1.0-plugins-base=* \
-  libappindicator3-1=* \
-  gstreamer1.0-tools=* \
-  qtdeclarative5-dev=* \
-  fonts-liberation=* \
-  gstreamer1.0-x=* \
-  libasound2=* \
-  libnspr4=* \
-  libnss3=* \
-  libxss1=* \
-  libxtst6=* \
-  xdg-utils=* \
-  qtdeclarative5-dev=* \
-  fonts-liberation=* \
-  gstreamer1.0-x=* \
+  nodejs \
+  qtbase5-dev \
+  libqt5webkit5-dev \
+  gstreamer1.0-plugins-base \
+  libappindicator3-1 \
+  gstreamer1.0-tools \
+  qtdeclarative5-dev \
+  fonts-liberation \
+  gstreamer1.0-x \
+  libasound2 \
+  libnspr4 \
+  libnss3 \
+  libxss1 \
+  libxtst6 \
+  xdg-utils \
+  qtdeclarative5-dev \
+  fonts-liberation \
+  gstreamer1.0-x \
   wkhtmltopdf \
   libxslt1-dev \
   libxml2-dev \
diff --git a/app/controllers/admin/domains_controller.rb b/app/controllers/admin/domains_controller.rb
index 0e9279a46..d507b1326 100644
--- a/app/controllers/admin/domains_controller.rb
+++ b/app/controllers/admin/domains_controller.rb
@@ -31,6 +31,7 @@ module Admin
 
       if @domain.update(dp)
         flash[:notice] = I18n.t('domain_updated')
+        inform_registrar_about_status_changes
         redirect_to [:admin, @domain]
       else
         @domain.reload
@@ -111,6 +112,22 @@ module Admin
       end
     end
 
+    def inform_registrar_about_status_changes
+      return unless @domain.saved_change_to_statuses?
+
+      old_statuses, new_statuses = @domain.saved_change_to_statuses
+      removed = old_statuses - new_statuses
+      added   = new_statuses - old_statuses
+  
+      added.each do |status|
+        @domain.registrar.notifications.create!(text: "#{status} set on domain #{@domain.name}")
+      end
+
+      removed.each do |status|
+        @domain.registrar.notifications.create!(text: "#{status} is cancelled on domain #{@domain.name}")
+      end
+    end
+
     def build_associations
       @server_statuses = @domain.statuses.select { |x| DomainStatus::SERVER_STATUSES.include?(x) }
       @server_statuses = [nil] if @server_statuses.empty?
diff --git a/test/integration/domain/domains_controller_test.rb b/test/integration/domain/domains_controller_test.rb
new file mode 100644
index 000000000..ac2d55d7d
--- /dev/null
+++ b/test/integration/domain/domains_controller_test.rb
@@ -0,0 +1,26 @@
+require 'test_helper'
+
+class DomainsControllerTest < ApplicationIntegrationTest
+
+  def setup
+    @domain = domains(:shop)
+    @admin = users(:admin)
+    sign_in @admin
+  end
+
+  def test_inform_registrar_about_status_changes
+    patch admin_domain_path(domains(:shop)), params: { domain: { statuses: [DomainStatus::PENDING_UPDATE,] } }
+
+    # Status OK is removed because, if:
+    # (statuses.length > 1) || !valid?
+    # then status OK is removed by manage_automatic_statuses method in domain.rb
+    notifications = domains(:shop).registrar.notifications.last(2)
+    assert_equal "#{DomainStatus::PENDING_UPDATE} set on domain #{domains(:shop).name}", notifications.first.text
+    assert_equal "#{DomainStatus::OK} is cancelled on domain #{domains(:shop).name}", notifications.last.text
+    
+    patch admin_domain_path(domains(:shop)), params: { domain: { statuses: [DomainStatus::PENDING_DELETE_CONFIRMATION] } }
+    notifications = domains(:shop).registrar.notifications.last(2)
+    assert_equal "#{DomainStatus::PENDING_DELETE_CONFIRMATION} set on domain #{domains(:shop).name}", notifications.first.text
+    assert_equal "#{DomainStatus::PENDING_UPDATE} is cancelled on domain #{domains(:shop).name}", notifications.last.text
+  end
+end