diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c9abcdd..60aa6c0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,7 +4,7 @@ jobs:
   test:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: isbang/compose-action@v1.4.1
         with:
           up-flags: --build --abort-on-container-exit --exit-code-from redmine_installer
diff --git a/Dockerfile b/Dockerfile
index 50dfe95..5cf9f98 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.1.2-bullseye
+FROM ruby:3.1.4-bullseye
 LABEL org.opencontainers.image.authors="support@easysoftware.com"
 RUN apt-get update && apt-get -y install lsb-release wget curl vim
 RUN wget https://repo.percona.com/apt/percona-release_latest.$(lsb_release -sc)_all.deb -O percona-release_latest_all.deb &&\
diff --git a/README.md b/README.md
index 390b13d..63052c5 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,11 @@
 # Redmine installer
 
+> [!WARNING]
+> :exclamation: THIS TOOL IS NO LONGER MAINTAINED.
+> Easy Software Ltd. has stopped maintaining this tool. We are switching to dockerized installation and upgrade process. Please use our docker images for installation.
+>
+> Feel free to contact our support if you have any questions.
+
 Easy way hot to install/upgrade Redmine, Easy Redmine or Easy Project.
 
 Please do not run installer on background. It may happen that process will be paused by some event. For example database may require enter password during backuping database.
diff --git a/gems.locked b/gems.locked
index 9a1bc52..5a992da 100644
--- a/gems.locked
+++ b/gems.locked
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    redmine-installer (3.0.3)
+    redmine-installer (3.0.4)
       bundler (>= 2.3.7)
       commander
       pastel (~> 0.8.0)
@@ -15,10 +15,10 @@ GEM
   specs:
     childprocess (4.1.0)
     coderay (1.1.3)
-    commander (4.6.0)
-      highline (~> 2.0.0)
+    commander (5.0.0)
+      highline (~> 3.0.0)
     diff-lcs (1.5.0)
-    highline (2.0.3)
+    highline (3.0.1)
     method_source (1.0.0)
     pastel (0.8.0)
       tty-color (~> 0.5)
@@ -55,13 +55,14 @@ GEM
       tty-cursor (~> 0.7)
       tty-screen (~> 0.8)
       wisper (~> 2.0)
-    tty-screen (0.8.1)
+    tty-screen (0.8.2)
     tty-spinner (0.8.0)
       tty-cursor (>= 0.5.0)
-    unicode-display_width (2.4.2)
+    unicode-display_width (2.5.0)
     wisper (2.0.1)
 
 PLATFORMS
+  arm64-darwin-23
   x86_64-darwin-21
   x86_64-linux
 
@@ -73,4 +74,4 @@ DEPENDENCIES
   rspec (~> 3.11.0)
 
 BUNDLED WITH
-   2.3.22
+   2.5.5
diff --git a/lib/redmine-installer/version.rb b/lib/redmine-installer/version.rb
index ad06070..bb9b5f0 100644
--- a/lib/redmine-installer/version.rb
+++ b/lib/redmine-installer/version.rb
@@ -1,5 +1,5 @@
 module RedmineInstaller
 
-  VERSION = '3.0.3'
+  VERSION = '3.0.4'
 
 end
diff --git a/redmine-installer.gemspec b/redmine-installer.gemspec
index ecf0da8..c8c1bdb 100644
--- a/redmine-installer.gemspec
+++ b/redmine-installer.gemspec
@@ -16,7 +16,6 @@ Gem::Specification.new do |spec|
     "source_code_uri" => "https://github.com/easyredmine/redmine-installer",
     "changelog_uri" => "https://github.com/easyredmine/redmine-installer/blob/master/CHANGELOG.md",
   }
-  # spec.required_rubygems_version = '>= 3.3.12'
 
   files = `git ls-files -z`.split("\x0") - Dir.glob("{spec/**/*,docker-compose.yml,.github/**/*}")
   spec.files = files
@@ -24,7 +23,7 @@ Gem::Specification.new do |spec|
   spec.test_files = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ['lib']
 
-  spec.required_ruby_version = '>= 3.1.2', '< 3.1.3'
+  spec.required_ruby_version = '>= 3.1.2'
 
   spec.add_runtime_dependency 'bundler', '>= 2.3.7'
   spec.add_runtime_dependency 'commander'