diff --git a/debian/changelog b/debian/changelog
index cec1e9b29..955c8fbdb 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,14 @@
+rom-properties (2.5.1-1ppa2~noble1) noble; urgency=medium
+
+  * Build for Ubuntu 24.04 "Noble" Numbat.
+
+    * Enable GTK4 builds. (Nautilus 43)
+    * KF5 5.115.0 supports ThumbnailCreator.
+
+  * PPA version bumped to ensure it updates from previous versions.
+
+ -- David Korth <gerbilsoft@gerbilsoft.com>  Sat, 10 May 2025 18:54:17 -0400
+
 rom-properties (2.5.1-1ppa2~jammy1) jammy; urgency=medium
 
   * Build for Ubuntu 22.04 "Jammy" Jellyfish.
diff --git a/debian/control b/debian/control
index be0985bfd..abf2d5beb 100644
--- a/debian/control
+++ b/debian/control
@@ -22,8 +22,10 @@ Build-Depends:
  libkf5filemetadata-dev,
  libkf5crash-dev,
  libglib2.0-dev,
+ libgdk-pixbuf2.0-dev,
  libgtk-3-dev,
  libcairo2-dev,
+ libgtk-4-dev,
  libnautilus-extension-dev,
  libcaja-extension-dev,
  libnemo-extension-dev,
@@ -40,7 +42,7 @@ Vcs-Browser: https://github.com/GerbilSoft/rom-properties
 
 Package: rom-properties-all
 Architecture: any
-Depends: ${misc:Depends}, libromdata6, rom-properties-kf5, rom-properties-gtk3, rom-properties-cli, rom-properties-tracker, rom-properties-utils, rom-properties-lang, rom-properties-thumbnailer-dbus
+Depends: ${misc:Depends}, libromdata6, rom-properties-kf5, rom-properties-gtk3, rom-properties-gtk4, rom-properties-cli, rom-properties-tracker, rom-properties-utils, rom-properties-lang, rom-properties-thumbnailer-dbus
 Description: ROM Properties Page shell extension (meta package)
  This shell extension provides thumbnailing and property page functionality
  for ROM images, disc images, and save files for various game consoles,
@@ -103,6 +105,22 @@ Description: ROM Properties Page shell extension (GTK3 UI frontend)
  The thumbnailer-dbus package is required for thumbnailing on
  some XFCE versions.
 
+Package: rom-properties-gtk4
+Architecture: any
+Depends: ${shlibs:Depends}, ${misc:Depends}, libromdata6, rom-properties-utils, rom-properties-xdg
+Recommends: rom-properties-lang
+Conflicts: rom-properties-gnome, rom-properties-mate, rom-properties-cinnamon, rom-properties-gtk3-common
+Replaces: rom-properties-gnome, rom-properties-mate, rom-properties-cinnamon, rom-properties-gtk3-common
+Description: ROM Properties Page shell extension
+ This shell extension provides thumbnailing and property page functionality
+ for ROM images, disc images, and save files for various game consoles,
+ including Nintendo GameCube and Wii.
+ .
+ This package contains the GTK4 version, which supports Nautilus
+ (GNOME) version 43 and later.
+ .
+ The utils package is required for thumbnailing.
+
 Package: rom-properties-cli
 Architecture: any
 Depends: ${shlibs:Depends}, ${misc:Depends}, libromdata6
diff --git a/debian/rom-properties-gtk4.docs b/debian/rom-properties-gtk4.docs
new file mode 100644
index 000000000..b580fff62
--- /dev/null
+++ b/debian/rom-properties-gtk4.docs
@@ -0,0 +1,5 @@
+README.md
+NETWORK.md
+NEWS.md
+doc/keys.conf.example
+doc/rom-properties.conf.example
diff --git a/debian/rom-properties-gtk4.install b/debian/rom-properties-gtk4.install
new file mode 100644
index 000000000..6bda8d983
--- /dev/null
+++ b/debian/rom-properties-gtk4.install
@@ -0,0 +1 @@
+usr/lib/*/nautilus/extensions-4/rom-properties-gtk4.so
diff --git a/debian/rom-properties-kf5.install b/debian/rom-properties-kf5.install
index 26d3a3890..d82641686 100644
--- a/debian/rom-properties-kf5.install
+++ b/debian/rom-properties-kf5.install
@@ -1,6 +1,6 @@
-usr/lib/*/qt5/plugins/rom-properties-kf5.so
 usr/lib/*/qt5/plugins/kf5/propertiesdialog/rom-properties-kf5.so
 usr/lib/*/qt5/plugins/kf5/propertiesdialog/xattrview-kf5.so
+usr/lib/*/qt5/plugins/kf5/thumbcreator/RomThumbnailCreator-kf5.so
 usr/lib/*/qt5/plugins/kf5/kfilemetadata/kfilemetadata_rom-properties-kf5.so
 usr/lib/*/qt5/plugins/kf5/overlayicon/overlayiconplugin_rom-properties-kf5.so
 
diff --git a/debian/rules b/debian/rules
index 9ecdb2f08..28bc03705 100755
--- a/debian/rules
+++ b/debian/rules
@@ -23,7 +23,7 @@ CMAKE_OPTIONS := \
 	-DBUILD_KF6=OFF \
 	-DBUILD_XFCE=OFF \
 	-DBUILD_GTK3=ON \
-	-DBUILD_GTK4=OFF \
+	-DBUILD_GTK4=ON \
 	-DBUILD_CLI=ON \
 	-DTRACKER_INSTALL_API_VERSION=3 \
 	-DENABLE_PVRTC=ON \