diff --git a/pkgs/development/compilers/arachne-pnr/default.nix b/pkgs/development/compilers/arachne-pnr/default.nix
index 345bd1250254..09422a7a8623 100644
--- a/pkgs/development/compilers/arachne-pnr/default.nix
+++ b/pkgs/development/compilers/arachne-pnr/default.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec {
   version = "2018.09.08";
 
   src = fetchFromGitHub {
-    owner  = "cseed";
+    owner  = "yosyshq";
     repo   = "arachne-pnr";
     rev    = "840bdfdeb38809f9f6af4d89dd7b22959b176fdd";
     sha256 = "1dqvjvgvsridybishv4pnigw9gypxh7r7nrqp9z9qq92v7c5rxzl";