diff --git a/flake.lock b/flake.lock
index feb74e6..f9bfa9c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -25,11 +25,11 @@
         "utils": "utils"
       },
       "locked": {
-        "lastModified": 1711973905,
-        "narHash": "sha256-UFKME/N1pbUtn+2Aqnk+agUt8CekbpuqwzljivfIme8=",
+        "lastModified": 1715699772,
+        "narHash": "sha256-sKhqIgucN5sI/7UQgBwsonzR4fONjfMr9OcHK/vPits=",
         "owner": "serokell",
         "repo": "deploy-rs",
-        "rev": "88b3059b020da69cbe16526b8d639bd5e0b51c8b",
+        "rev": "b3ea6f333f9057b77efd9091119ba67089399ced",
         "type": "github"
       },
       "original": {
@@ -134,11 +134,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1715571466,
-        "narHash": "sha256-7o7OwQ7D35K7fsBaDjEqHfpbbg+EKhAtz93cHg3LXBw=",
+        "lastModified": 1716256771,
+        "narHash": "sha256-GcDa678TQ0J7ZF3GBYVafZmO7l1rrBxk1oi/k5uIV5M=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "adc44ac0ee8454f4f51ef5dd1bdcc60080141e24",
+        "rev": "d3cda6aed36d05f90da59d1489c0eba58a06e764",
         "type": "github"
       },
       "original": {
@@ -149,11 +149,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1715458492,
-        "narHash": "sha256-q0OFeZqKQaik2U8wwGDsELEkgoZMK7gvfF6tTXkpsqE=",
+        "lastModified": 1716239187,
+        "narHash": "sha256-5oyOV5ZlqXYQ8RB6lvVrKxVBeBPE/ZsLY+qQKqSJLZM=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "8e47858badee5594292921c2668c11004c3b0142",
+        "rev": "f88df4bf25b729d78712c441fb0910f7085e9395",
         "type": "github"
       },
       "original": {
@@ -164,11 +164,11 @@
     },
     "nixpkgs_3": {
       "locked": {
-        "lastModified": 1715413075,
-        "narHash": "sha256-FCi3R1MeS5bVp0M0xTheveP6hhcCYfW/aghSTPebYL4=",
+        "lastModified": 1716062047,
+        "narHash": "sha256-OhysviwHQz4p2HZL4g7XGMLoUbWMjkMr/ogaR3VUYNA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "e4e7a43a9db7e22613accfeb1005cca1b2b1ee0d",
+        "rev": "02923630b89aa1ab36ef8e422501a6f4fd4b2016",
         "type": "github"
       },
       "original": {
@@ -197,11 +197,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1715482972,
-        "narHash": "sha256-y1uMzXNlrVOWYj1YNcsGYLm4TOC2aJrwoUY1NjQs9fM=",
+        "lastModified": 1716244104,
+        "narHash": "sha256-XXbqfkyWe0d0O+zqRQWi2oXi6wYDmTzXedFkBRwx1VI=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "b6cb5de2ce57acb10ecdaaf9bbd62a5ff24fa02e",
+        "rev": "fddd52460e3332eedd8a0043af5675338a5b3e0b",
         "type": "github"
       },
       "original": {
@@ -228,11 +228,11 @@
     "tracktrain": {
       "flake": false,
       "locked": {
-        "lastModified": 1716134757,
-        "narHash": "sha256-/fKR7ACXCVjiHgyJw5609mPNN9116uY+Ub6BdcB4fSE=",
+        "lastModified": 1716227494,
+        "narHash": "sha256-WD80bhJsaYil2qaRX6vpBQQMgebUbFEj/ma6fUEwdQs=",
         "ref": "main",
-        "rev": "82355e81aa9a3fd7a38f902dc749d4835270ab21",
-        "revCount": 122,
+        "rev": "ae2fdbf72745ac46116c70f8435dacd7c227225f",
+        "revCount": 123,
         "type": "git",
         "url": "https://stuebinm.eu/git/tracktrain"
       },
diff --git a/pkgs/default.nix b/pkgs/default.nix
index ebde6f4..d006442 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -22,7 +22,7 @@ let
     };
 
     tracktrain = import sources.tracktrain {
-      nixpkgs = pkgs;
+      nixpkgs = unstable;
       compiler = "default";
     };