diff --git a/pkgs/development/libraries/mdds/default.nix b/pkgs/development/libraries/mdds/default.nix
index f379d8c4e322..3d0c594b61bc 100644
--- a/pkgs/development/libraries/mdds/default.nix
+++ b/pkgs/development/libraries/mdds/default.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
-  version = "0.12.1";
+  version = "1.2.1";
   name = "mdds-${version}";
 
   src = fetchurl {
-    url = "http://kohei.us/files/mdds/src/mdds_${version}.tar.bz2";
-    sha256 = "0gg8mb9kxh3wggh7njj1gf90xy27p0yq2cw88wqar9hhg2fmwmi3";
+    url = "http://kohei.us/files/mdds/src/mdds-${version}.tar.bz2";
+    sha256 = "0yzwdl8mf8xdj8rif1qq0qnlq7vlk5q86r3hs2x49m5rqzgljbqy";
   };
 
   postInstall = ''
diff --git a/pkgs/development/libraries/mdds/default.upstream b/pkgs/development/libraries/mdds/default.upstream
index 94b6c78b06b7..96c5bc35d169 100644
--- a/pkgs/development/libraries/mdds/default.upstream
+++ b/pkgs/development/libraries/mdds/default.upstream
@@ -1,6 +1,6 @@
 url https://gitlab.com/mdds/mdds
-version_link '[.]tar[.][a-z0-9]+$'
-version '.*_([0-9.]+)[.]tar[.].*' '\1'
+version_link 'mdds-.*[.]tar[.][a-z0-9]+$'
+version '.*-([0-9.]+)[.]tar[.].*' '\1'
 
 do_overwrite(){
   ensure_hash