diff --git a/nix/sources.json b/nix/sources.json
index b1099da..da28ede 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -62,10 +62,10 @@
         "homepage": "https://github.com/NixOS/nixpkgs",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "2128d0aa28edef51fd8fef38b132ffc0155595df",
-        "sha256": "1slxx8rc7kfm61826cjbz2wz18xc9sxhg1ki8b6254gizgh5gvw4",
+        "rev": "a25df4c2b79c4343bcc72ad671200e5a3e286c41",
+        "sha256": "1pl0nprpgw0cz1nnvf036k9r584ryq175i5av5wmmfdr7gisg9zr",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/2128d0aa28edef51fd8fef38b132ffc0155595df.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/a25df4c2b79c4343bcc72ad671200e5a3e286c41.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgsUnstable": {