diff --git a/npins/sources.json b/npins/sources.json
index d8ec8be..854d764 100644
--- a/npins/sources.json
+++ b/npins/sources.json
@@ -105,14 +105,14 @@
     "nixos-23.11": {
       "type": "Channel",
       "name": "nixos-23.11",
-      "url": "https://releases.nixos.org/nixos/23.11/nixos-23.11.1697.781e2a9797ec/nixexprs.tar.xz",
-      "hash": "0c8pky6klmm21m3n659rwa1ls7qk2wjjw2qzxfcagb97kvf5dq58"
+      "url": "https://releases.nixos.org/nixos/23.11/nixos-23.11.1779.cf28ee258fd5/nixexprs.tar.xz",
+      "hash": "137w4widclsarhax4j6yf5vz6j6w7d3wqlximlrycf6rcwh0nyl2"
     },
     "nixpkgs": {
       "type": "Channel",
       "name": "nixpkgs-unstable",
-      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-24.05pre558296.e97b3e4186bc/nixexprs.tar.xz",
-      "hash": "1vjj32q29irc02f7g9iwqz0xdmkgkzg5xjqsj0w4556awb8cq7la"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-24.05pre559581.aa9d4729cbc9/nixexprs.tar.xz",
+      "hash": "04d8m0kh426kn2dvk5006as68al1dcv9wlizyclq69pas9xd1l3h"
     },
     "www-eleves": {
       "type": "Git",