diff --git a/flake.lock b/flake.lock
index 36a4fb5..ab7d046 100644
--- a/flake.lock
+++ b/flake.lock
@@ -23,11 +23,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1664195620,
-        "narHash": "sha256-/0V1a1gAR+QbiQe4aCxBoivhkxss0xyt2mBD6yDrgjw=",
+        "lastModified": 1664538465,
+        "narHash": "sha256-EnlC7dDKX7X1wlnXkB1gmn9rBZQ0J9+biVTZHw//8us=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "62228ccc672ed000f35b1e5c82e4183e46767e52",
+        "rev": "10ecda252ce1b3b1d6403caeadbcc8f30d5ab796",
         "type": "github"
       },
       "original": {
diff --git a/system/carbon/configuration.nix b/system/carbon/configuration.nix
index 5d94b83..c3e2439 100644
--- a/system/carbon/configuration.nix
+++ b/system/carbon/configuration.nix
@@ -14,7 +14,7 @@
   ];
 
   # Make ready for nix flakes
-  nix.package = pkgs.nixFlakes;
+  nix.package = pkgs.nixVersions.stable;
   nix.extraOptions = ''
     experimental-features = nix-command flakes
   '';
@@ -109,6 +109,7 @@
     wireguard-tools
 
     prusa-slicer
+    traceroute
   ];
 
   # Some programs need SUID wrappers, can be configured further or are
diff --git a/system/gospel/configuration.nix b/system/gospel/configuration.nix
index ec45238..0dff0eb 100644
--- a/system/gospel/configuration.nix
+++ b/system/gospel/configuration.nix
@@ -22,7 +22,7 @@
   nixpkgs.config.allowUnfree = true;
 
   # Make ready for nix flakes
-  nix.package = pkgs.nixFlakes;
+  nix.package = pkgs.nixVersions.stable;
   nix.extraOptions = ''
     experimental-features = nix-command flakes
   '';
diff --git a/system/virtual/configuration.nix b/system/virtual/configuration.nix
index 2649abd..166411b 100644
--- a/system/virtual/configuration.nix
+++ b/system/virtual/configuration.nix
@@ -14,7 +14,7 @@
   hardware.opengl.enable = true;
 
   # Make ready for nix flakes
-  nix.package = pkgs.nixFlakes;
+  nix.package = pkgs.nixVersions.stable;
   nix.extraOptions = ''
     experimental-features = nix-command flakes
   '';