diff --git a/shell.nix b/shell.nix
index aa91e92..818acf2 100644
--- a/shell.nix
+++ b/shell.nix
@@ -2,10 +2,10 @@ let
   pkgs = import <nixpkgs> {};
   nmigen-latest = pkgs.python3Packages.nmigen.overrideAttrs(oa: {
     src = pkgs.fetchFromGitHub {
-      owner = "m-labs";
+      owner = "DonaldKellett";
       repo = "nmigen";
-      rev = "39602ae3fdd143f3aa130278fb185cf3ff98d6da";
-      sha256 = "1b0rjbb6is6nzbcnxrwh5iv4k9xcac0ijq5kp47wdg9rhbnaa5w0";
+      rev = "ec914ed1d4d3a601eb78638bb70fe9a8996ca4e1";
+      sha256 = "1ya874vzirv3n05c6x5kc7rkard13nnrvnxxkl9lgfhr57iw6hib";
     };
   });
 in