diff --git a/README.md b/README.md
index 3bb9c0e..9c86af0 100644
--- a/README.md
+++ b/README.md
@@ -22,17 +22,17 @@
 
     Package Name | Required Version
     :--- |---:|
-    meson | 0.50 
-    valac | 0.48 
-    libglib-2.0-dev | 2.30 
-    libjson-glib-dev | 1.4.4 
-    libxml2-dev | 2.9.10 
-    libgee-0.8-dev | 0.8.5 
-    libsoup2.4-dev | 2.64 
-    libgtk-4-dev | 4.3.0 
-    libadwaita-1.0-dev | 1.2.0 
-    libsecret-1-dev | 0.20 
-    
+    meson | 0.56
+    valac | 0.48
+    libglib-2.0-dev | 2.30
+    libjson-glib-dev | 1.4.4
+    libxml2-dev | 2.9.10
+    libgee-0.8-dev | 0.8.5
+    libsoup2.4-dev | 2.64
+    libgtk-4-dev | 4.3.0
+    libadwaita-1.0-dev | 1.2.0
+    libsecret-1-dev | 0.20
+
 
 2. Run `install.sh` in the project directory. The app will launch automatically on success.
 
diff --git a/build-aux/meson_post_install.py b/build-aux/meson_post_install.py
new file mode 100644
index 0000000..c71d178
--- /dev/null
+++ b/build-aux/meson_post_install.py
@@ -0,0 +1,20 @@
+#!/usr/bin/env python3
+
+import os
+import subprocess
+
+prefix     = os.environ.get('MESON_INSTALL_PREFIX', '/usr/local')
+data_dir   = os.path.join(prefix, 'share')
+icon_dir   = os.path.join(data_dir, 'icons', 'hicolor')
+app_dir    = os.path.join(data_dir, 'applications')
+schema_dir = os.path.join(data_dir, 'glib-2.0', 'schemas')
+
+if not os.environ.get('DESTDIR'):
+    print('Compiling gsettings schemas...')
+    subprocess.call (['glib-compile-schemas', schema_dir])
+
+    print('Update icon cache...')
+    subprocess.call(['gtk-update-icon-cache', '-f', '-t', icon_dir])
+
+    print('Updating desktop database...')
+    subprocess.call(['update-desktop-database', '-q', app_dir])
diff --git a/data/meson.build b/data/meson.build
index 4188f34..27cfb1a 100644
--- a/data/meson.build
+++ b/data/meson.build
@@ -50,6 +50,6 @@ if appstream_util.found()
     test(
         'Validate appstream file',
         appstream_util,
-        args: ['validate', appstream_file],
+        args: ['validate-relax', appstream_file],
     )
 endif
diff --git a/meson.build b/meson.build
index 585678d..6b8084f 100644
--- a/meson.build
+++ b/meson.build
@@ -2,7 +2,7 @@ project(
     'dev.geopjr.tooth',
     ['c', 'vala'],
     version: '2.1.0',
-    meson_version: '>= 0.59.0',
+    meson_version: '>= 0.56.0',
     default_options: [
         'warning_level=2',
         'werror=false',
@@ -153,8 +153,15 @@ executable(
 subdir('data')
 subdir('po')
 
-gnome.post_install(
+# gnome.post_install() is available since meson 0.59.0
+# Distributions use their own tooling (e.g. postinst, triggers, etc)
+# so it is okay if the post_install() is not run on distro builds
+if meson.version().version_compare('>=0.59.0')
+  gnome.post_install(
     glib_compile_schemas: true,
     gtk_update_icon_cache: true,
     update_desktop_database: true,
-)
+  )
+else
+  meson.add_install_script('build-aux/meson_post_install.py')
+endif