diff --git a/flake.nix b/flake.nix
index 9e8c460..641936e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -7,18 +7,18 @@
       url = github:uiua-lang/uiua?ref=0.7.1;
       inputs.nixpkgs.follows = "nixpkgs";
     };
-    #nickel = {
-    #  url = github:tweag/nickel/stable;
-    #  inputs.nixpkgs.follows = "nixpkgs";
-    #};
+    nickel = {
+      url = github:tweag/nickel/stable;
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
-  outputs = { self, nixpkgs, flake-utils, uiua }:
+  outputs = { self, nixpkgs, flake-utils, uiua, nickel }:
     flake-utils.lib.eachDefaultSystem (system:
       let pkgs = import nixpkgs { inherit system; };
       in {
         packages = {
-          default = uiua.packages.${system}.default;
-          #default = nickel.packages.${system}.default;
+          uiua = uiua.packages.${system}.default;
+          nickel = nickel.packages.${system}.default;
         };
         hydraJobs = {
           inherit (self) packages;