diff --git a/nix/sources.json b/nix/sources.json
index 1d18939..b379394 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -74,10 +74,10 @@
         "homepage": "https://github.com/NixOS/nixpkgs",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "8c54d842d9544361aac5f5b212ba04e4089e8efe",
-        "sha256": "14hk2lyxy8ajczn77363vw05w24fyx9889q3b89riqgs28acyz87",
+        "rev": "a83ed85c14fcf242653df6f4b0974b7e1c73c6c6",
+        "sha256": "0bnhl0kkx0xmq1rw45v319j1i07qc0dj01fkz7vhjfhxr3a66rz5",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/8c54d842d9544361aac5f5b212ba04e4089e8efe.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/a83ed85c14fcf242653df6f4b0974b7e1c73c6c6.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgsUnstable": {