diff --git a/nix/sources.json b/nix/sources.json
index 8ccab26..cbdc1e5 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -74,10 +74,10 @@
         "homepage": "https://github.com/NixOS/nixpkgs",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "d17a56d90ecbd1b8fc908d49598fb854ef188461",
-        "sha256": "04a9ry0kk4qzy622mk3izh4azdp7plf1847mfp3zkn9gk0innswg",
+        "rev": "ccf8bdf72624521358be6bb7d9b524c4cbcf7aff",
+        "sha256": "0k100w0a138rhrx19r55knb1d12nj4zz2vlhkxqf1hkshvhvih1j",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/d17a56d90ecbd1b8fc908d49598fb854ef188461.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/ccf8bdf72624521358be6bb7d9b524c4cbcf7aff.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgsUnstable": {