diff --git a/pkgs/development/libraries/mdds/default.nix b/pkgs/development/libraries/mdds/default.nix
index a65e6b2153d7..c01e3fe6bc0f 100644
--- a/pkgs/development/libraries/mdds/default.nix
+++ b/pkgs/development/libraries/mdds/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "mdds";
-  version = "1.6.0";
+  version = "1.7.0";
 
   src = fetchurl {
     url = "https://kohei.us/files/${pname}/src/${pname}-${version}.tar.bz2";
-    sha256 = "0zg0v9rfs92ff1gpnb06gzbxbnd9nqdar5fk8dnkmy0jpnf5qn7i";
+    sha256 = "1kzy70b18f2dsqarmdmzbj9nc9kf2lvc5xxgkg6wdax3jf12lsm6";
   };
 
   postInstall = ''