diff --git a/configuration.nix b/configuration.nix
index 43b1a6a..ef0eaa9 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -1,7 +1,7 @@
 { config, pkgs, lib, ... }:
 
 let
-  home-manager = builtins.fetchTarball "https://github.com/nix-community/home-manager/archive/release-23.05.tar.gz";
+  home-manager = builtins.fetchTarball "https://github.com/nix-community/home-manager/archive/release-23.11.tar.gz";
   # python packages to include with python3
   python-packages = import ./python-packages.nix;
 in
@@ -20,6 +20,14 @@ in
     ./dev
   ];
 
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It's perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "23.11"; # Did you read the comment?
+
   hardware.bluetooth.enable = true;
   hardware.opengl.enable = true;
   # for rotation sensors
@@ -199,14 +207,6 @@ in
   # Or disable the firewall altogether.
   # networking.firewall.enable = false;
 
-  # This value determines the NixOS release from which the default
-  # settings for stateful data, like file locations and database versions
-  # on your system were taken. It's perfectly fine and recommended to leave
-  # this value at the release version of the first install of this system.
-  # Before changing this value read the documentation for this option
-  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "23.05"; # Did you read the comment?
-
   environment.sessionVariables = rec {
     _JAVA_OPTIONS = "-Dawt.useSystemAAFontSettings=lcd";
 
diff --git a/fonts.nix b/fonts.nix
index 4113cf9..fad3f0d 100644
--- a/fonts.nix
+++ b/fonts.nix
@@ -1,10 +1,10 @@
 { pkgs, ... }:
 {
   fonts = {
-    enableDefaultFonts = true;
+    enableDefaultPackages = true;
 
     # extra font packages
-    fonts = with pkgs; [
+    packages = with pkgs; [
       corefonts
       noto-fonts
       noto-fonts-cjk
@@ -46,4 +46,4 @@
       };
     };
   };
-}
\ No newline at end of file
+}
diff --git a/users/servostar/user.nix b/users/servostar/user.nix
index 33c6e02..10937c8 100644
--- a/users/servostar/user.nix
+++ b/users/servostar/user.nix
@@ -54,7 +54,7 @@
       figlet
       cowsay
       cmatrix
-      exa # FIXME: use stable eza version when available
+      eza
       btop
       htop
       tmux
@@ -180,9 +180,11 @@
       '';
       enableCompletion = true;
       enableAutosuggestions = true;
-      enableSyntaxHighlighting = true;
+      syntaxHighlighting = {
+        enable = true;
+      };
       shellAliases = {
-        ls = "exa --icons";
+        ls = "eza --icons";
       };
       history = {
         size = 10000;