diff --git a/flake.nix b/flake.nix
index 8cec79d..d7222c2 100644
--- a/flake.nix
+++ b/flake.nix
@@ -10,7 +10,7 @@
     nixpkgs,
   }: let
     tarball = fetchTarball {
-      url = "https://git.stuce.ch/stuce/sTodo/releases/download/Release1/release1.tar.gz";
+      url = "https://git.stuce.ch/stuce/sTodo/releases/download/Release2/release2.tar.gz";
       sha256 = "10jyldwmcs5zyz1k8lp3jscn7nhlvn56g0709l5jp91qimw7xiqz";
     };
   in {
@@ -68,10 +68,10 @@
         environment.systemPackages = [pkgs.openssl];
         users.groups."sTodo".name = "sTodo";
         users.users."sTodo" = {
-                name = "sTodo";
-                isSystemUser = true;
-                group = "sTodo";
-                                                };
+          name = "sTodo";
+          isSystemUser = true;
+          group = "sTodo";
+        };
         systemd.services.sTodo.preStart = ''
           [ -f ${sessionKey} ] || {
             "${pkgs.openssl}/bin/openssl" rand 256 > ${sessionKey}
diff --git a/stack.yaml b/stack.yaml
index be7a8b4..3092e82 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -20,6 +20,10 @@
 snapshot:
   url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/20/26.yaml
 
+nix:
+  enable: true
+  pure: false
+
 # User packages to be built.
 # Various formats can be used as shown in the example below.
 #