diff --git a/pkgs/desktops/gnome/apps/gnome-boxes/default.nix b/pkgs/desktops/gnome/apps/gnome-boxes/default.nix
index 29b08aa3c1ed..3c5af219e76b 100644
--- a/pkgs/desktops/gnome/apps/gnome-boxes/default.nix
+++ b/pkgs/desktops/gnome/apps/gnome-boxes/default.nix
@@ -55,11 +55,11 @@
 
 stdenv.mkDerivation rec {
   pname = "gnome-boxes";
-  version = "41.3";
+  version = "42.alpha";
 
   src = fetchurl {
     url = "mirror://gnome/sources/${pname}/${lib.versions.major version}/${pname}-${version}.tar.xz";
-    sha256 = "m4QGgNHnOG/d/WoVrU3Q8s2ljv6BjPVHg3tGrovw4Yk=";
+    sha256 = "z9hnCCvXmiSc9ZhykhpZUNUUDD7ZSucME8cODVSXEgQ=";
   };
 
   doCheck = true;