diff --git a/nix/sources.json b/nix/sources.json
index 6f888a0..4c2c55f 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -29,10 +29,10 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "da3378c4aaf2ed350ad14552558fa55bb68d96d3",
-        "sha256": "1yaighj0xkb62pza1n15kwlv5vgfm0ym31q5gs2wkds9vi4skirl",
+        "rev": "e4adbfbab8aadf9d80a93d40fb612cb910073af9",
+        "sha256": "0fs32adk4x5xg9m00nykhxhka927wrnwkjx59as673swh46hdvck",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/da3378c4aaf2ed350ad14552558fa55bb68d96d3.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/e4adbfbab8aadf9d80a93d40fb612cb910073af9.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs-unstable": {
@@ -41,10 +41,10 @@
         "homepage": "",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "f217c0ea7c148ddc0103347051555c7c252dcafb",
-        "sha256": "0cyksxg2lnzxd0pss09rmmk2c2axz0lf9wvgvfng59nwf8dpq2kf",
+        "rev": "891f607d5301d6730cb1f9dcf3618bcb1ab7f10e",
+        "sha256": "1cr39f0sbr0h5d83dv1q34mcpwnkwwbdk5fqlyqp2mnxghzwssng",
         "type": "tarball",
-        "url": "https://github.com/nixos/nixpkgs/archive/f217c0ea7c148ddc0103347051555c7c252dcafb.tar.gz",
+        "url": "https://github.com/nixos/nixpkgs/archive/891f607d5301d6730cb1f9dcf3618bcb1ab7f10e.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "pre-commit-hooks.nix": {