diff --git a/nix/sources.json b/nix/sources.json
index 8408687..c528d53 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -86,10 +86,10 @@
         "homepage": "https://github.com/NixOS/nixpkgs",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "219951b495fc2eac67b1456824cc1ec1fd2ee659",
-        "sha256": "065jy7qivlbdqmbvd7r9h97b23f21axmc4r7sqmq2h0j82rmymxv",
+        "rev": "e38d7cb66ea4f7a0eb6681920615dfcc30fc2920",
+        "sha256": "1shml3mf52smfra0x3mpfixddr4krp3n78fc2sv07ghiphn22k43",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/219951b495fc2eac67b1456824cc1ec1fd2ee659.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/e38d7cb66ea4f7a0eb6681920615dfcc30fc2920.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgsUnstable": {