diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 40f3680..7fedb0c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -11,13 +11,12 @@ on:
 jobs:
   build-deb:
     name: Build and upload deb package
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Install dependencies
         run: |
-          sudo add-apt-repository -y ppa:rockowitz/ddcutil
           sudo apt-get update
-          sudo apt-get install -y libgtk-3-dev ddcutil libddcutil-dev libglib2.0-dev gcc
+          sudo apt-get install -y gcc libglib2.0-dev libgtk-4-dev libadwaita-1-dev libddcutil-dev
 
       - name: Set up Git repository
         uses: actions/checkout@v2
@@ -44,7 +43,8 @@ jobs:
     steps:
       - name: Install dependencies
         run: |
-          sudo dnf install -y git-all ddcutil libddcutil libddcutil-devel gtk3-devel fedora-packager rpmdevtools gcc
+          sudo dnf -y upgrade
+          sudo dnf install -y git-all gcc glib2-devel gtk4-devel libadwaita-devel libddcutil-devel fedora-packager rpmdevtools
 
       - name: Set up Git repository
         uses: actions/checkout@v2
diff --git a/README.md b/README.md
index 478c537..5f7acbe 100644
--- a/README.md
+++ b/README.md
@@ -35,25 +35,24 @@ Latest rpm release is available on the releases page https://github.com/sidevesh
 
 ### Dependencies
 - ddcutil library package (typically libddcutil or libddcutil-dev if not already installed with ddcutil)
-- GTK 3.0
+- GTK 4.0
+- Libadwaita
 
 ### Steps
 1. Firstly, ensure that all the dependencies are installed:
 
     ##### Arch Linux:
     ```
-    pacman -S --needed ddcutil gtk3
+    pacman -S --needed glib2 gtk4 libadwaita ddcutil
     ```
     
     ##### Ubuntu-based distros (credit @aidengilmartin):
     ```
-    sudo apt install libgtk3-dev gcc
-    sudo add-apt-repository ppa:rockowitz/ddcutil # add ddcutil repo
-    sudo apt install ddcutil libddcutil-dev
+    sudo apt install gcc libglib2.0-dev libgtk-4-dev libadwaita-1-dev libddcutil-dev
     ```
     ##### Fedora:
     ```
-    sudo dnf install ddcutil libddcutil libddcutil-devel gtk3-devel gcc
+    sudo dnf install gcc glib2-devel gtk4-devel libadwaita-devel libddcutil-devel
     ```
 
 2. Ensure that your user has access to the i2c devices:
@@ -134,5 +133,4 @@ Project Link: [https://github.com/sidevesh/Luminance](https://github.com/sideves
 
 - @ahshabbir : for ddcbc-api and ddcbc-gtk: https://github.com/ahshabbir/ddcbc-api
 - @rockowitz : for ddcutil c api: https://github.com/rockowitz/ddcutil
-- @jimmac : for the awesome new icon:
-- https://github.com/jimmac
+- @jimmac : for the awesome new icon: https://github.com/jimmac
diff --git a/arch b/arch
index e579bb7..73d66e6 160000
--- a/arch
+++ b/arch
@@ -1 +1 @@
-Subproject commit e579bb785f8c55470616df57a840905f7adcc0db
+Subproject commit 73d66e64814a1ac9516ee8004772e33ace205311
diff --git a/build-deb.sh b/build-deb.sh
index 7e4d525..f4a3778 100755
--- a/build-deb.sh
+++ b/build-deb.sh
@@ -14,6 +14,7 @@ mkdir -p ./build/debian-package-files/usr/share/applications
 mkdir -p ./build/debian-package-files/usr/share/glib-2.0/schemas
 mkdir -p ./build/debian-package-files/usr/lib/udev/rules.d
 mkdir -p ./build/debian-package-files/usr/share/icons/hicolor/scalable/apps
+mkdir -p ./build/debian-package-files/usr/share/icons/hicolor/symbolic/apps
 
 echo "Copying files to the package structure..."
 cp ./debian/control ./build/debian-package-files/DEBIAN/control
diff --git a/debian/control b/debian/control
index 86e466d..375d7f8 100644
--- a/debian/control
+++ b/debian/control
@@ -5,4 +5,4 @@ Maintainer: Swapnil Devesh <me@sidevesh.com>
 Homepage: https://github.com/sidevesh/Luminance
 Description: A simple GTK application to control brightness of displays including external displays supporting DDC/CI
 License: GPL-3.0
-Depends: libgtk-4-1, libadwaita-1-0, ddcutil, libddcutil4
+Depends: libglib2.0-0, libgtk-4-1, libadwaita-1-0, libddcutil4
diff --git a/rpm/com.sidevesh.Luminance.spec b/rpm/com.sidevesh.Luminance.spec
index 7f95bc2..a3bc9d8 100644
--- a/rpm/com.sidevesh.Luminance.spec
+++ b/rpm/com.sidevesh.Luminance.spec
@@ -10,10 +10,13 @@ BuildArch:      x86_64
 # Define the BuildRequires and Requires packages
 BuildRequires:  pkgconfig(glib-2.0)
 BuildRequires:  pkgconfig(gtk4)
+BuildRequires:  pkgconfig(libadwaita-1)
+BuildRequires:  pkgconfig(ddcutil)
 
+Requires:       glib2
 Requires:       gtk4
 Requires:       libadwaita
-Requires:       ddcutil
+Requires:       libddcutil
 
 %description
 Luminance is a simple GTK application that allows you to control the brightness of displays, including external displays supporting DDC/CI.