diff --git a/cabal.project b/cabal.project
deleted file mode 100644
index 364c6a9..0000000
--- a/cabal.project
+++ /dev/null
@@ -1,3 +0,0 @@
--- index-state: 2021-02-05T00:00:00Z
-packages:
-  ./
diff --git a/flake.nix b/flake.nix
index 367ffb3..0d71179 100644
--- a/flake.nix
+++ b/flake.nix
@@ -11,14 +11,7 @@
       let
         pkgs = nixpkgs.legacyPackages.${system};
 
-        haskellPackages = pkgs.haskellPackages.override {
-          overrides = hself: hsuper: {
-            pg-transact = with pkgs.haskell.lib;
-              unmarkBroken (dontCheck (doJailbreak hsuper.pg-transact));
-            hspec-wai-json = with pkgs.haskell.lib;
-              unmarkBroken (dontCheck (doJailbreak hsuper.hspec-wai-json));
-          };
-        };
+        haskellPackages = pkgs.haskellPackages;
 
         jailbreakUnbreak = pkg:
           pkgs.haskell.lib.doJailbreak (pkg.overrideAttrs (_: { meta = { }; }));
@@ -32,14 +25,18 @@
 
         defaultPackage = self.packages.${system}.${packageName};
 
-        devShell = pkgs.mkShell {
-          buildInputs = with haskellPackages; [
-            haskell-language-server
-            ghcid
-            cabal-install
-          ];
-          inputsFrom = builtins.attrValues self.packages.${system};
-        };
+        devShell = self.packages.${system}.${packageName}.env;
+
+        #devShell = pkgs.mkShell {
+        #  buildInputs = with haskellPackages; [
+        #    haskell-language-server
+        #    ghcid
+        #    cabal-install
+        #  ] ++ [
+        #    zlib
+        #  ];
+        #  inputsFrom = builtins.attrValues self.packages.${system};
+        #};
       });
 }
 
diff --git a/src/Types/Auth.hs b/src/Types/Auth.hs
index a4db97c..b756345 100644
--- a/src/Types/Auth.hs
+++ b/src/Types/Auth.hs
@@ -3,6 +3,8 @@
 {-# LANGUAGE TypeFamilies #-}
 module Types.Auth where
 
+import Crypto.JWT
+
 import GHC.Generics
 
 import Data.Aeson