diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 0ee5bd5..5a85d72 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         # Adding a new one? Change it in Coveralls below!
-        ruby-version: ['2.5', '2.6', '2.7', '3.0', '3.1', '3.2', 'head']
+        ruby-version: ['2.5', '2.6', '2.7', '3.0', '3.1', '3.2', '3.3', '3.4', 'head']
 
     steps:
     - uses: actions/checkout@v2
@@ -37,7 +37,7 @@ jobs:
 
     - name: Coveralls Report
       # send it only for the latest version to avoid duplicate submits
-      if: ${{ matrix.ruby-version == '3.2' }}
+      if: ${{ matrix.ruby-version == '3.4' }}
       uses: coverallsapp/github-action@master
       with:
         github-token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/NEWS.md b/NEWS.md
index e1fb3f3..9b588f9 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -2,6 +2,14 @@
 
 ## Unreleased
 
+## Ruby D-Bus 0.24.0 - 2025-01-02
+
+Bug fixes:
+ * Adapted for Ruby 3.4, which uses a single quote instead of a backtick
+   in exceptions ([#145][], by Mamoru TASAKA).
+
+[#145]: https://github.com/mvidner/ruby-dbus/pull/145
+
 ## Ruby D-Bus 0.23.1 - 2023-10-03
 
 API:
diff --git a/VERSION b/VERSION
index 610e287..2094a10 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.23.1
+0.24.0
diff --git a/package/gem2rpm.yml b/package/gem2rpm.yml
index 8e1abbd..80a4581 100644
--- a/package/gem2rpm.yml
+++ b/package/gem2rpm.yml
@@ -78,6 +78,7 @@
   BuildRequires:  %{rubygem rake}
   BuildRequires:  %{rubygem rspec >= 3.9}
   BuildRequires:  dbus-1
+  BuildRequires:  dbus-1-daemon
   BuildRequires:  netcfg
 
 
diff --git a/package/rubygem-ruby-dbus.changes b/package/rubygem-ruby-dbus.changes
index 33f96bb..cc917e3 100644
--- a/package/rubygem-ruby-dbus.changes
+++ b/package/rubygem-ruby-dbus.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Thu Jan  2 13:45:21 UTC 2025 - Martin Vidner <mvidner@suse.com>
+
+- 0.24.0
+ Bug fixes:
+ * Adapted for Ruby 3.4, which uses a single quote instead of a backtick
+   in exceptions (gh#mvidner/ruby-dbus#145, by Mamoru TASAKA).
+
 -------------------------------------------------------------------
 Tue Oct  3 07:29:07 UTC 2023 - Martin Vidner <mvidner@suse.com>
 
diff --git a/package/rubygem-ruby-dbus.spec b/package/rubygem-ruby-dbus.spec
index d006519..9bd4a9b 100644
--- a/package/rubygem-ruby-dbus.spec
+++ b/package/rubygem-ruby-dbus.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package rubygem-ruby-dbus
 #
-# Copyright (c) 2023 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2025 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -24,7 +24,7 @@
 #
 
 Name:           rubygem-ruby-dbus
-Version:        0.23.1
+Version:        0.24.0
 Release:        0
 %define mod_name ruby-dbus
 %define mod_full_name %{mod_name}-%{version}
@@ -34,6 +34,7 @@ BuildRequires:  %{rubygem packaging_rake_tasks}
 BuildRequires:  %{rubygem rake}
 BuildRequires:  %{rubygem rspec >= 3.9}
 BuildRequires:  dbus-1
+BuildRequires:  dbus-1-daemon
 BuildRequires:  netcfg
 # /MANUAL
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
diff --git a/ruby-dbus.gemspec b/ruby-dbus.gemspec
index 5dbdcff..d77aedf 100644
--- a/ruby-dbus.gemspec
+++ b/ruby-dbus.gemspec
@@ -28,6 +28,8 @@ GEMSPEC = Gem::Specification.new do |s|
   s.add_runtime_dependency "rexml"
   # s.add_runtime_dependency "nokogiri"
 
+  # workaround: rubocop-1.0 needs base64 which is no longer in stdlib in newer rubies
+  s.add_development_dependency "base64"
   s.add_development_dependency "packaging_rake_tasks"
   s.add_development_dependency "rake"
   s.add_development_dependency "rspec", "~> 3"