diff --git a/pkgs.nix b/pkgs.nix
index 6fe22a5..a41cd7f 100644
--- a/pkgs.nix
+++ b/pkgs.nix
@@ -1,4 +1,4 @@
 import (
-  let rev = "a5774e76bb8c3145eac524be62375c937143b80c"; in
+  let rev = "ce6aa13369b667ac2542593170993504932eb836"; in
   builtins.fetchTarball "https://github.com/NixOS/nixpkgs/archive/${rev}.tar.gz"
 )
diff --git a/release.nix b/release.nix
index 1fbccf1..6df0e15 100644
--- a/release.nix
+++ b/release.nix
@@ -72,7 +72,10 @@ in
     docker = dockerTools.buildImage {
       name = application.name;
       contents = [ application ];
+      # This ensures symlinks to directories are preserved in the image
       keepContentsDirlinks = true;
+      # This adds a correct timestamp, however breaks binary reproducibility
+      created = "now";
       extraCommands = ''
         mkdir -m 1777 tmp
       '';