diff --git a/default.nix b/default.nix
index cea4aa3..c6ef23a 100644
--- a/default.nix
+++ b/default.nix
@@ -14,7 +14,8 @@ let
       name = "nixpkgs-pinned";
       url = https://github.com/NixOS/nixpkgs/;
       ref = "refs/heads/release-20.03";
-      rev = "de3780b937d2984f9b5e20d191f23be4f857b3aa";
+      #rev = "de3780b937d2984f9b5e20d191f23be4f857b3aa";
+      rev = "faf5bdea5d9f0f9de26deaa7e864cdcd3b15b4e8";
     }) {
       # Pass no config for purity
           config = {};