diff --git a/ci/pinned.json b/ci/pinned.json
index 1f1af448a2e8..14a454c2e258 100644
--- a/ci/pinned.json
+++ b/ci/pinned.json
@@ -9,9 +9,9 @@
       },
       "branch": "nixpkgs-unstable",
       "submodules": false,
-      "revision": "6a489c9482ca676ce23c0bcd7f2e1795383325fa",
-      "url": "https://github.com/NixOS/nixpkgs/archive/6a489c9482ca676ce23c0bcd7f2e1795383325fa.tar.gz",
-      "hash": "0vsvkhy3gb8yzq62vazhmpqixssmd4xinnll7w73l4vrqd611wlf"
+      "revision": "641d909c4a7538f1539da9240dedb1755c907e40",
+      "url": "https://github.com/NixOS/nixpkgs/archive/641d909c4a7538f1539da9240dedb1755c907e40.tar.gz",
+      "hash": "10hpb1aw884k3zzcy1mhf47dqvfagiyx7kr6hg0p5xcwg04mkx8x"
     },
     "treefmt-nix": {
       "type": "Git",
@@ -22,9 +22,9 @@
       },
       "branch": "main",
       "submodules": false,
-      "revision": "58bd4da459f0a39e506847109a2a5cfceb837796",
-      "url": "https://github.com/numtide/treefmt-nix/archive/58bd4da459f0a39e506847109a2a5cfceb837796.tar.gz",
-      "hash": "01bg9b4xzlv6s5q1q78vib6l2csw02b3rk5bm5yj4gx2sk2hvmrq"
+      "revision": "7d81f6fb2e19bf84f1c65135d1060d829fae2408",
+      "url": "https://github.com/numtide/treefmt-nix/archive/7d81f6fb2e19bf84f1c65135d1060d829fae2408.tar.gz",
+      "hash": "1cg20q8ja8k2nb7mzy95hgmd8whxapc3fbyndh1ip5dr6d1grxfs"
     }
   },
   "version": 5