diff --git a/pkgs/development/libraries/mtxclient/default.nix b/pkgs/development/libraries/mtxclient/default.nix
index dff15bdc606b..72f8477c8726 100644
--- a/pkgs/development/libraries/mtxclient/default.nix
+++ b/pkgs/development/libraries/mtxclient/default.nix
@@ -14,13 +14,13 @@
 
 stdenv.mkDerivation rec {
   pname = "mtxclient";
-  version = "0.3.1";
+  version = "0.4.0";
 
   src = fetchFromGitHub {
     owner = "Nheko-Reborn";
     repo = "mtxclient";
     rev = "v${version}";
-    sha256 = "1dg4dq20g0ah62j5s3gpsxqq4ny7lxkxdxa9q6g54hdwkrb9ms7x";
+    sha256 = "1x820rcfz5r203dc8a0rzavcjjx10fsv1dicqg65m6kxx1w95j5r";
   };
 
   cmakeFlags = [