diff --git a/pkgs/by-name/ap/apt-offline/package.nix b/pkgs/by-name/ap/apt-offline/package.nix
index 4eef07f030c5..39ab2613da22 100644
--- a/pkgs/by-name/ap/apt-offline/package.nix
+++ b/pkgs/by-name/ap/apt-offline/package.nix
@@ -6,13 +6,13 @@
 
 let
   pname = "apt-offline";
-  version = "1.8.4";
+  version = "1.8.5";
 
   src = fetchFromGitHub {
     owner = "rickysarraf";
     repo = "apt-offline";
     rev = "v${version}";
-    hash = "sha256-RBf/QG0ewLS6gnQTBXi0I18z8QrxoBAqEXZ7dro9z5A=";
+    hash = "sha256-KkJwQ9EpOSJK9PaM747l6Gqp8Z8SWvuo3TJ+Ry6d0l4=";
   };
 in
 python3Packages.buildPythonApplication {
@@ -23,12 +23,11 @@ python3Packages.buildPythonApplication {
       --replace /usr/bin/ "$out/bin"
 
     substituteInPlace apt_offline_core/AptOfflineCoreLib.py \
-      --replace /usr/bin/gpgv "${gnupg}/bin/gpgv"
+      --replace /usr/bin/gpgv "${lib.getBin gnupg}/bin/gpgv"
   '';
 
-  preFixup = ''
-    rm "$out/bin/apt-offline-gui"
-    rm "$out/bin/apt-offline-gui-pkexec"
+  postFixup = ''
+    rm "$out/bin/apt-offline-gui" "$out/bin/apt-offline-gui-pkexec"
   '';
 
   doCheck = false; # API incompatibilities, maybe?
@@ -43,3 +42,4 @@ python3Packages.buildPythonApplication {
     maintainers = with lib.maintainers; [ AndersonTorres ];
   };
 }
+# TODO: verify GUI and pkexec