diff --git a/configuration/steveej-laptop/pkg.nix b/configuration/steveej-laptop/pkg.nix
index e18c207..3072537 100644
--- a/configuration/steveej-laptop/pkg.nix
+++ b/configuration/steveej-laptop/pkg.nix
@@ -10,7 +10,18 @@ in
     allowBroken = false;
 
     packageOverrides = pkgs: rec {
-      go = gitpkgs.go1_6;
+      # Version override example:
+      # rustracerd = pkgs.lib.overrideDerivation pkgs.rustracerd (attrs: rec {
+      #   version = "2016-08-23";
+      #   name = "racerd-${version}";
+      #   src = pkgs.fetchgit {
+      #     url = "git://github.com/jwilm/racerd.git";
+      #     rev = "813d8214f50e8f77b5d8adf5173173209c8f6d74";
+      #     sha256 = "07p4kvrc529khb1afrgwfkdb9nh3nvsk1v2p2b1rdaqvkpgwqr74";
+      #   };
+      # });
+
+      go = pkgs.go_1_6;
       bluez = pkgs.bluez5;
 
       myLinuxPackages = pkgs.recurseIntoAttrs (pkgs.linuxPackagesFor