diff --git a/pkgs/pkgsets.nix b/pkgs/pkgsets.nix
index 6eb19c3..9852c9e 100644
--- a/pkgs/pkgsets.nix
+++ b/pkgs/pkgsets.nix
@@ -180,7 +180,7 @@ let
     })
   ];
 
-  python3 = gitpkgs.python3Full.withPackages(ps: with ps; [
+  python3 = pkgs.python3Full.withPackages(ps: with ps; [
     GitPython
     bpython
     cairosvg cairocffi
@@ -214,6 +214,7 @@ let
     tkinter
     toolz
     virtualenv
+    xdot
 #    flask
 #    flask-common
 #    flask-compress