diff --git a/nixpkgs.nix b/nixpkgs.nix
index 783ede000..1d0131f12 100644
--- a/nixpkgs.nix
+++ b/nixpkgs.nix
@@ -4,6 +4,6 @@
 import ((nixpkgs {}).fetchFromGitHub {
   owner = "NixOS";
   repo = "nixpkgs";
-  rev = "10e61bf5be57736035ec7a804cb0bf3d083bf2cf";
-  sha256 = "0fplfm2zx4vk7gs8bdcxnvzkdmpx2w0llqwf8475z9dz9cl132rm";
+  rev = "0d97ef510bdc9d66f1023f970be58fdab2eb87fa";
+  sha256 = "00lnna6097wzrlmwqk8bqayh4qd2gz61zcd4yh7amirqflz3z2ll";
 })
diff --git a/shell.nix b/shell.nix
index 08c6dde7c..9a3306edc 100644
--- a/shell.nix
+++ b/shell.nix
@@ -19,7 +19,7 @@ let
   '';
 
   override = oldAttrs: {
-  nativeBuildInputs = oldAttrs.nativeBuildInputs ++ (with pkgs; [ nodejs-13_x postgresql openldap google-chrome exiftool ]) ++ (with haskellPackages; [ stack yesod-bin hlint cabal-install weeder ]);
+    nativeBuildInputs = oldAttrs.nativeBuildInputs ++ (with pkgs; [ nodejs-13_x postgresql openldap google-chrome exiftool ]) ++ (with pkgs.haskellPackages; [ stack yesod-bin hlint cabal-install weeder ]);
     shellHook = ''
       export PROMPT_INFO="${oldAttrs.name}"
 
diff --git a/start.sh b/start.sh
index 49f9e79f3..07cf5940a 100755
--- a/start.sh
+++ b/start.sh
@@ -25,4 +25,6 @@ if [[ -d .stack-work-run ]]; then
     trap move-back EXIT
 fi
 
-stack exec -- yesod devel $@
+# stack exec -- yesod devel $@
+
+yesod devel $@