1 files changed, 2 insertions, 1 deletions
diff --git a/shell.nix b/shell.nix
index 1ee567f..ab0ed26 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,4 +1,5 @@
-with import <nixpkgs> { };
+#with import <nixpkgs> { };
+with import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/d88cdc7bc1a7b3d5a50369bf4d2c7844e4868be2.tar.gz") {};
 let
   R-packages = rWrapper.override { packages = with rPackages; [ ggplot2 Rtsne ]; };
   gems = bundlerEnv { name = "mustache"; gemdir = ./.; };