diff --git a/flake.lock b/flake.lock
index 3f980b6..5db3eaf 100644
--- a/flake.lock
+++ b/flake.lock
@@ -484,16 +484,16 @@
     },
     "nixpkgs_3": {
       "locked": {
-        "lastModified": 1712059341,
-        "narHash": "sha256-I/xinxexiKuaIsGBaHstfm8Y51lmKdTAvDwzB2CmACc=",
+        "lastModified": 1711703276,
+        "narHash": "sha256-iMUFArF0WCatKK6RzfUJknjem0H9m4KgorO/p3Dopkk=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "f0eb531440b59c93262bbf619186e13d554774dd",
+        "rev": "d8fe5e6c92d0d190646fb9f1056741a229980089",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
-        "ref": "staging-next",
+        "ref": "nixos-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 904eacf..ecd8999 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "Nixos config flake";
 
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs/staging-next";
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
 
     home-manager = {
       url = "github:nix-community/home-manager";
diff --git a/modules/shell/git.nix b/modules/shell/git.nix
index 3f70f5a..ea53fb7 100644
--- a/modules/shell/git.nix
+++ b/modules/shell/git.nix
@@ -16,6 +16,10 @@
       "result"
       "result-*"
     ];
+    signing = {
+      key = "5B53E53A9A514DBA";
+      signByDefault = true;
+    };
     extraConfig = {
       init = {defaultBranch = "main";};
       delta = {