diff --git a/nix/sources.json b/nix/sources.json
index 4b75c6b..ac5a4b2 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -62,10 +62,10 @@
         "homepage": "https://github.com/NixOS/nixpkgs",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "bacbfd713b4781a4a82c1f390f8fe21ae3b8b95b",
-        "sha256": "1nlrizg1bxzihrhy4yfdjigpcg808imp7m1rg7wivq18vln6g4j5",
+        "rev": "2c66a7a6e036971c4847cca424125f55b9eb0b0b",
+        "sha256": "00pdg5mkgqp81n4pfgigd840hvh3fwwkbipcba1p4ds3ffy3xir5",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/bacbfd713b4781a4a82c1f390f8fe21ae3b8b95b.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/2c66a7a6e036971c4847cca424125f55b9eb0b0b.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgsUnstable": {