diff --git a/home-manager/configs/macsimum.nix b/home-manager/configs/macsimum.nix
index 5914ce9..966a951 100644
--- a/home-manager/configs/macsimum.nix
+++ b/home-manager/configs/macsimum.nix
@@ -1,7 +1,7 @@
 {
   home-manager.homes."jack@macsimum" = {
     system = "x86_64-darwin";
-    nixpkgs = "unstable";
+    nixpkgs = "mine";
     homeDirectory = "/Users/jack";
     username = "jack";