diff --git a/nix/sources.json b/nix/sources.json
index ff6f6742..a96d5b8d 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -5,10 +5,10 @@
         "homepage": "https://nur.nix-community.org/",
         "owner": "nix-community",
         "repo": "NUR",
-        "rev": "51b84ce842189a4f3b615b727b9683068a2cb540",
-        "sha256": "12jwrhgq49hhxpl8jza8cnnidw0h1zqi2ja5amv06h39gcryqlyw",
+        "rev": "8d8c59d767d854a1bc6fd08952529e10438eaa8d",
+        "sha256": "0vca6lk4bx9mrrrxi79xr4dvb382v9h3lhcg6p3ymgcla5sw2kv9",
         "type": "tarball",
-        "url": "https://github.com/nix-community/NUR/archive/51b84ce842189a4f3b615b727b9683068a2cb540.tar.gz",
+        "url": "https://github.com/nix-community/NUR/archive/8d8c59d767d854a1bc6fd08952529e10438eaa8d.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "arc-nixexprs": {
@@ -53,10 +53,10 @@
         "homepage": "https://github.com/nmattia/niv",
         "owner": "nmattia",
         "repo": "niv",
-        "rev": "94080ae8286024820c570a2a24ed7c36d7ad04a9",
-        "sha256": "0wlk52zwlrq727x3z1vg9d9qq4zw62ab5jzg4068iqb6hyb0cr0w",
+        "rev": "1819632b5823e0527da28ad82fecd6be5136c1e9",
+        "sha256": "08jz17756qchq0zrqmapcm33nr4ms9f630mycc06i6zkfwl5yh5i",
         "type": "tarball",
-        "url": "https://github.com/nmattia/niv/archive/94080ae8286024820c570a2a24ed7c36d7ad04a9.tar.gz",
+        "url": "https://github.com/nmattia/niv/archive/1819632b5823e0527da28ad82fecd6be5136c1e9.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nix-doom-emacs": {
@@ -99,10 +99,10 @@
         "homepage": "",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "5658fadedb748cb0bdbcb569a53bd6065a5704a9",
-        "sha256": "1kpmhd9v5a3fbwq86spd1p5s4npfd1jrjl14kl6h1n1l1qd6cbp6",
+        "rev": "540dccb2aeaffa9dc69bfdc41c55abd7ccc6baa3",
+        "sha256": "1j58m811w7xxjncf36hqcjqsfj979hkfcwx9wcrm3g3zbayavapg",
         "type": "tarball",
-        "url": "https://github.com/nixos/nixpkgs/archive/5658fadedb748cb0bdbcb569a53bd6065a5704a9.tar.gz",
+        "url": "https://github.com/nixos/nixpkgs/archive/540dccb2aeaffa9dc69bfdc41c55abd7ccc6baa3.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs-mozilla": {