diff --git a/pkgs/by-name/mo/mousam/package.nix b/pkgs/by-name/mo/mousam/package.nix
index 7afaf9615765..72a29c30bd90 100644
--- a/pkgs/by-name/mo/mousam/package.nix
+++ b/pkgs/by-name/mo/mousam/package.nix
@@ -13,15 +13,15 @@
 
 python3Packages.buildPythonApplication rec {
   pname = "mousam";
-  version = "1.3.2";
+  version = "1.4.0";
   # built with meson, not a python format
   pyproject = false;
 
   src = fetchFromGitHub {
     owner = "amit9838";
     repo = "mousam";
-    rev = "refs/tags/v${version}";
-    hash = "sha256-1gFuMh5Poypmgyk2bpi9v6iK7WkO5KHLs+WsoDpJPeg=";
+    tag = "v${version}";
+    hash = "sha256-wJcexOyQqLQJLCathpt6D0SEJP1AvfLPfhAfNzhknUQ=";
   };
 
   nativeBuildInputs = [