diff --git a/flake.lock b/flake.lock
index 9ce601b..bd6afec 100644
--- a/flake.lock
+++ b/flake.lock
@@ -11,7 +11,7 @@
       },
       "original": {
         "owner": "nixos",
-        "ref": "master",
+        "ref": "22.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 620ff33..b068891 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "An example NixOS configuration";
 
   inputs = {
-    nixpkgs = { url = "github:nixos/nixpkgs/master"; };
+    nixpkgs = { url = "github:nixos/nixpkgs/22.11"; };
   };