diff --git a/npins/sources.json b/npins/sources.json
index b128fa1..9896f8b 100644
--- a/npins/sources.json
+++ b/npins/sources.json
@@ -127,20 +127,20 @@
     "nixos-23.11": {
       "type": "Channel",
       "name": "nixos-23.11",
-      "url": "https://releases.nixos.org/nixos/23.11/nixos-23.11.2728.6723fa4e4f1a/nixexprs.tar.xz",
-      "hash": "1iv40b5kiyajhdf6psf4fzajgn7mgb3a4m2hrdmllas1h2xdxh38"
+      "url": "https://releases.nixos.org/nixos/23.11/nixos-23.11.2936.428544ae95ee/nixexprs.tar.xz",
+      "hash": "0n6hgg95l8mynfn5rv6r7f5w250m5ar66j3irb2907319wgq3rz3"
     },
     "nixos-unstable": {
       "type": "Channel",
       "name": "nixos-unstable",
-      "url": "https://releases.nixos.org/nixos/unstable/nixos-24.05pre567746.317484b1ead8/nixexprs.tar.xz",
-      "hash": "1vqi5w5whmalbkjizxgybw54i7c1l530n8pkczs8jfkczd5cpnr3"
+      "url": "https://releases.nixos.org/nixos/unstable/nixos-24.05pre571036.9b19f5e77dd9/nixexprs.tar.xz",
+      "hash": "19xh32y6vdz28bzh9lm84dd515iyr11mgh06br0bxrxp60ckmbq6"
     },
     "nixpkgs": {
       "type": "Channel",
       "name": "nixpkgs-unstable",
-      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-24.05pre565199.63143ac2c918/nixexprs.tar.xz",
-      "hash": "04k3q5224dnyn82yacbq9q9gnsrn6ig043mpzpsky885ikg7i2zw"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-24.05pre571483.ea780f3de2d1/nixexprs.tar.xz",
+      "hash": "1sqpw6ag0b28akz7mlcxbs951zdg57qjyxk3ysnhp6ryvnk74kgd"
     },
     "wp4nix": {
       "type": "Git",
@@ -150,9 +150,9 @@
         "server": "https://git.helsinki.tools/"
       },
       "branch": "master",
-      "revision": "9953928aaf564fe0bc952f4396b22132b7f9ff88",
-      "url": "https://git.helsinki.tools/api/v4/projects/helsinki-systems%2Fwp4nix/repository/archive.tar.gz?sha=9953928aaf564fe0bc952f4396b22132b7f9ff88",
-      "hash": "0da528r06765yb0gmc60iflh4xdj3gkf1v604y1a7irip4ydacra"
+      "revision": "04d5da5b57f1aedfedbf45bf8d4697ba6683f347",
+      "url": "https://git.helsinki.tools/api/v4/projects/helsinki-systems%2Fwp4nix/repository/archive.tar.gz?sha=04d5da5b57f1aedfedbf45bf8d4697ba6683f347",
+      "hash": "1rkikp87zx7zb2nl4vgj7vxwj7vgbsc2n14z3nq36j1r8hsqqz6z"
     },
     "www-eleves": {
       "type": "Git",