diff --git a/nix/sources.json b/nix/sources.json
index a0c2ef0..66810c4 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -17,10 +17,10 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "296793637b22bdb4d23b479879eba0a71c132a66",
-        "sha256": "0j09yih9693w5vjx64ikfxyja1ha7pisygrwrpg3wfz3sssglg69",
+        "rev": "e9158eca70ae59e73fae23be5d13d3fa0cfc78b4",
+        "sha256": "0cnmvnvin9ixzl98fmlm3g17l6w95gifqfb3rfxs55c0wj2ddy53",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/296793637b22bdb4d23b479879eba0a71c132a66.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/e9158eca70ae59e73fae23be5d13d3fa0cfc78b4.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }