diff --git a/pkgs/desktops/gnome/apps/gnome-boxes/default.nix b/pkgs/desktops/gnome/apps/gnome-boxes/default.nix
index 5e60aaf238e9..5fec5d8a8583 100644
--- a/pkgs/desktops/gnome/apps/gnome-boxes/default.nix
+++ b/pkgs/desktops/gnome/apps/gnome-boxes/default.nix
@@ -48,11 +48,11 @@
 
 stdenv.mkDerivation rec {
   pname = "gnome-boxes";
-  version = "44.3";
+  version = "45.rc";
 
   src = fetchurl {
     url = "mirror://gnome/sources/${pname}/${lib.versions.major version}/${pname}-${version}.tar.xz";
-    sha256 = "ZIpBuODIdfBOOnh+pnA2vJIehYo25jQ6Q9tyQu5z4XE=";
+    sha256 = "4tK9TCAU8VuphAyzpqCa3bcfhTnr+fYKx/E2HBInroE=";
   };
 
   patches = [