diff --git a/pkgs/by-name/gn/gnome-mahjongg/package.nix b/pkgs/by-name/gn/gnome-mahjongg/package.nix
index ddc8b0315e7f..6fb601fa5638 100644
--- a/pkgs/by-name/gn/gnome-mahjongg/package.nix
+++ b/pkgs/by-name/gn/gnome-mahjongg/package.nix
@@ -20,11 +20,11 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "gnome-mahjongg";
-  version = "48.1";
+  version = "49.rc";
 
   src = fetchurl {
     url = "mirror://gnome/sources/gnome-mahjongg/${lib.versions.major finalAttrs.version}/gnome-mahjongg-${finalAttrs.version}.tar.xz";
-    hash = "sha256-3Ujg+BrKNL6tpGxdIhsyWRuO2B6dNhw6JY359rIiLIQ=";
+    hash = "sha256-Cv9a/PLHefyp51aXs7A4GWUdlCXLBsM6LMuMkurF5uA=";
   };
 
   nativeBuildInputs = [