diff --git a/npins/sources.json b/npins/sources.json
index c3a9876..8533093 100644
--- a/npins/sources.json
+++ b/npins/sources.json
@@ -45,8 +45,8 @@
     "nixpkgs": {
       "type": "Channel",
       "name": "nixpkgs-unstable",
-      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-24.05pre626139.abd6d48f8c77/nixexprs.tar.xz",
-      "hash": "1zl76mia6iav9byczjxw3lhr6hv7an4nk2kh440gpr9lqx2j446k"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-24.05pre626723.b3fcfcfabd01/nixexprs.tar.xz",
+      "hash": "17sfp1vriw9s485fbdmq9ak7c20axp6qcmb45nr5yjsi77him3zs"
     },
     "rat": {
       "type": "GitRelease",