diff --git a/flake.nix b/flake.nix
index 12a5129..cb5d41c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,21 +3,21 @@
   inputs = {
     # Where we get most of our software. Giant mono repo with recipes
     # called derivations that say how to build software.
-    nixpkgs.url = "github:nixos/nixpkgs";
+    nixpkgs.url = "github:nixos/nixpkgs/release-23.11";
     nixpkgs-unstable.url = "github:nixos/nixpkgs/nixpkgs-unstable";
 
+    # Manages things in home directory
+    home-manager = {
+      url = "github:nix-community/home-manager/release-23.11";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
     # Controls system level software and settings including fonts on macOS
     nix-darwin = {
       url = "github:lnl7/nix-darwin";
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
-    # Manages things in home directory
-    home-manager = {
-      url = "github:nix-community/home-manager";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
-
     # Manage Homebrew itself
     nix-homebrew.url = "github:zhaofengli-wip/nix-homebrew";