diff --git a/nix/sources.json b/nix/sources.json
index 31bc98c9..176a1c01 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -110,7 +110,7 @@
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs-stable": {
-        "branch": "master",
+        "branch": "nixos-24.11",
         "description": "Nix Packages collection & NixOS",
         "homepage": "",
         "owner": "NixOS",