diff --git a/sources b/sources
index 8489d09..d330b84 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (zenity-3.99.91.tar.xz) = face2f4ca11dd9b3ab56995e7777fe6db7bd209494019d1454eab8813a537971eb5b229103374a85e7324229357b7f1723508a0a1e263ec05ac4a99c7c0eb3a9
+SHA512 (zenity-4.0.0.tar.xz) = ae7709e5e8a7d76210e17512bd3509ff7273af59c29b3d9b8210b0a00c538e126b0689adfee1d63775affa8df8480d5c3b75deb8c130e4d596710e9aee51ab9e
diff --git a/zenity.spec b/zenity.spec
index 5a5de4f..90d5f9b 100644
--- a/zenity.spec
+++ b/zenity.spec
@@ -1,11 +1,11 @@
 Name:          zenity
-Version:       3.99.91
+Version:       4.0.0
 Release:       1%{?dist}
 Summary:       Display dialog boxes from shell scripts
 
 License:       LGPL-2.1-or-later
 URL:           https://wiki.gnome.org/Projects/Zenity
-Source:        https://download.gnome.org/sources/%{name}/3.99/%{name}-%{version}.tar.xz
+Source:        https://download.gnome.org/sources/%{name}/4.0/%{name}-%{version}.tar.xz
 
 BuildRequires: pkgconfig(libadwaita-1) >= 1.2
 BuildRequires: /usr/bin/help2man
@@ -54,6 +54,9 @@ desktop-file-validate %{buildroot}%{_datadir}/applications/org.gnome.Zenity.desk
 
 
 %changelog
+* Sat Dec 09 2023 Kalev Lember <klember@redhat.com> - 4.0.0-1
+- Update to 4.0.0
+
 * Wed Dec 06 2023 Kalev Lember <klember@redhat.com> - 3.99.91-1
 - Update to 3.99.91