diff --git a/README.md b/README.md
index ac40a52..cd0203b 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ See the current temperature and weather conditions for your location with this m
 
 You'll need the following dependencies to build:
 * libgeoclue-2-dev
-* libgranite-7-dev
+* libgranite-7-dev >= 7.3.0
 * libgtk-4-dev
 * libgweather-4-dev
 * meson
@@ -18,13 +18,14 @@ You'll need the following dependencies to build:
 You'll need the following dependencies to run:
 * geoclue-2.0
 
-Run `meson build` to configure the build environment and run `ninja test` to build
+Run `flatpak-builder` to configure the build environment, download dependencies, build, and install
 
-    meson build --prefix=/usr
-    cd build
-    ninja
+```bash
+flatpak-builder build io.github.danirabbit.nimbus.json --user --install --force-clean --install-deps-from=appcenter
+```
 
-To install, use `ninja install`, then execute with `io.github.danirabbit.nimbus`
+Then execute with
 
-    ninja install
-    io.github.danirabbit.nimbus
+```bash
+flatpak run io.github.danirabbit.nimbus
+```
diff --git a/meson.build b/meson.build
index 9831af4..619f64c 100644
--- a/meson.build
+++ b/meson.build
@@ -32,7 +32,7 @@ executable(
         dependency('glib-2.0'),
         dependency('gobject-2.0'),
         dependency('gtk4'),
-        dependency('granite-7'),
+        dependency('granite-7', version: '>=7.3.0'),
         dependency('gweather4'),
         dependency('libgeoclue-2.0')
     ],
diff --git a/src/Application.vala b/src/Application.vala
index e6ed4d9..b59c4c8 100644
--- a/src/Application.vala
+++ b/src/Application.vala
@@ -12,6 +12,8 @@ public class Nimbus : Gtk.Application {
     }
 
     protected override void startup () {
+        Granite.init ();
+
         Intl.setlocale (LocaleCategory.ALL, "");
         Intl.bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
         Intl.bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
@@ -29,10 +31,6 @@ public class Nimbus : Gtk.Application {
 
     protected override void activate () {
         if (active_window == null) {
-            var provider = new Gtk.CssProvider ();
-            provider.load_from_resource ("io/github/danirabbit/nimbus/Application.css");
-            Gtk.StyleContext.add_provider_for_display (Gdk.Display.get_default (), provider, Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION);
-
             add_window (new MainWindow ());
         }