diff --git a/flake.lock b/flake.lock
index 7cfc478..534c8b9 100644
--- a/flake.lock
+++ b/flake.lock
@@ -167,16 +167,16 @@
         "treefmt-nix": "treefmt-nix"
       },
       "locked": {
-        "lastModified": 1716301230,
-        "narHash": "sha256-olEXRstmP0lf0H11ht6j3co7mNwcDEXTm+eGfwdEJzM=",
-        "owner": "clerie",
+        "lastModified": 1727121740,
+        "narHash": "sha256-72nDVSvUfZsLa2HbyricOpA0Eb8gxs/VST25b6DNBpM=",
+        "owner": "nix-community",
         "repo": "harmonia",
-        "rev": "e99509779ce6d6ed46062ac556b71f6ca1eb59ad",
+        "rev": "ff44006a30f93ac40d76c786e15149d901946c2b",
         "type": "github"
       },
       "original": {
-        "owner": "clerie",
-        "ref": "clerie/multiple-signing-keys",
+        "owner": "nix-community",
+        "ref": "harmonia-v1.0.2",
         "repo": "harmonia",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 85bff37..feb27c8 100644
--- a/flake.nix
+++ b/flake.nix
@@ -19,7 +19,7 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
     harmonia = {
-      url = "github:clerie/harmonia/clerie/multiple-signing-keys";
+      url = "github:nix-community/harmonia/harmonia-v1.0.2";
       inputs.nixpkgs.follows = "nixpkgs";
     };
     fieldpoc.url = "git+https://git.clerie.de/clerie/fieldpoc.git";
@@ -124,6 +124,8 @@
         chromium-incognito
         git-checkout-github-pr
         git-diff-word
+        git-pp
+        harmonia
         iot-data
         nix-remove-result-links
         nixfiles-auto-install
diff --git a/flake/overlay.nix b/flake/overlay.nix
index b1bd7e3..a2c3cea 100644
--- a/flake/overlay.nix
+++ b/flake/overlay.nix
@@ -15,7 +15,7 @@ final: prev: {
   inherit (chaosevents.packages.${final.system})
     chaosevents;
   harmonia = harmonia.packages.${final.system}.harmonia.override {
-    nixForHarmonia = final.nixVersions.nix_2_21;
+    nixForHarmonia = final.nixVersions.nix_2_23;
   };
   inherit (nurausstieg.packages.${final.system})
     nurausstieg;
diff --git a/hosts/zinc/programs.nix b/hosts/zinc/programs.nix
index 5143028..0c04215 100644
--- a/hosts/zinc/programs.nix
+++ b/hosts/zinc/programs.nix
@@ -6,7 +6,7 @@
     firefox
 
     blender
-    cura
+    #cura # libarcus library is currently broken, required for curaengine
   ];
 
 }
diff --git a/pkgs/git-pp/default.nix b/pkgs/git-pp/default.nix
new file mode 100644
index 0000000..f486920
--- /dev/null
+++ b/pkgs/git-pp/default.nix
@@ -0,0 +1,9 @@
+{ pkgs, ... }:
+
+pkgs.writeShellApplication {
+  name = "git-pp";
+  text = builtins.readFile ./git-pp.sh;
+  runtimeInputs = with pkgs; [
+    git
+  ];
+}
diff --git a/pkgs/git-pp/git-pp.sh b/pkgs/git-pp/git-pp.sh
new file mode 100755
index 0000000..3973331
--- /dev/null
+++ b/pkgs/git-pp/git-pp.sh
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+git pull --rebase && git push
diff --git a/pkgs/overlay.nix b/pkgs/overlay.nix
index ef56c14..d4bf798 100644
--- a/pkgs/overlay.nix
+++ b/pkgs/overlay.nix
@@ -9,6 +9,7 @@ final: prev: {
   chromium-incognito = final.callPackage ./chromium-incognito {};
   git-checkout-github-pr = final.callPackage ./git-checkout-github-pr {};
   git-diff-word = final.callPackage ./git-diff-word {};
+  git-pp = final.callPackage ./git-pp {};
   iot-data = final.python3.pkgs.callPackage ./iot-data {};
   nix-remove-result-links = final.callPackage ./nix-remove-result-links {};
   nixfiles-auto-install = final.callPackage ./nixfiles/nixfiles-auto-install.nix {};