diff --git a/nix/apps/does-it-build/default.nix b/nix/apps/does-it-build/default.nix
index 10815c4..cf6b74d 100644
--- a/nix/apps/does-it-build/default.nix
+++ b/nix/apps/does-it-build/default.nix
@@ -1,9 +1,11 @@
-{ pkgs, lib, config, my-projects-versions, ... }:
+{ pkgs, nixpkgs-next, lib, config, my-projects-versions, ... }:
 let
-  does-it-build-base = (import (pkgs.fetchFromGitHub my-projects-versions.does-it-build.fetchFromGitHub)) { inherit pkgs; };
+  does-it-build-base = (import (pkgs.fetchFromGitHub my-projects-versions.does-it-build.fetchFromGitHub)) {
+    # needs a recent rust version.
+    pkgs = nixpkgs-next;
+  };
   does-it-build = does-it-build-base.overrideAttrs (finalAttrs: previousAttrs: {
     DOES_IT_BUILD_OVERRIDE_VERSION = my-projects-versions.does-it-build.commit;
-    RUSTFLAGS = "-Cforce-frame-pointers=true";
   });
 in
 {
diff --git a/nix/hive.nix b/nix/hive.nix
index 796c822..9a574d3 100644
--- a/nix/hive.nix
+++ b/nix/hive.nix
@@ -2,7 +2,8 @@
   meta =
     let
       nixpkgs-version = builtins.fromJSON (builtins.readFile ./nixpkgs.json);
-      nixpkgs-path = (fetchTarball "https://github.com/NixOS/nixpkgs/archive/${nixpkgs-version.commit}.tar.gz");
+      nixpkgs-path = (fetchTarball "https://github.com/NixOS/nixpkgs/archive/${nixpkgs-version."nixos-25.05".commit}.tar.gz");
+      nixpkgs-next = import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/${nixpkgs-version."nixos-25.11".commit}.tar.gz") { };
     in
     {
       # Override to pin the Nixpkgs version (recommended). This option
@@ -15,6 +16,7 @@
       specialArgs = {
         my-projects-versions = builtins.fromJSON (builtins.readFile ./my-projects.json);
 
+        inherit nixpkgs-next;
         inherit nixpkgs-path;
 
         networkingConfig = {
diff --git a/nix/my-projects.json b/nix/my-projects.json
index 7df23b6..34360b9 100644
--- a/nix/my-projects.json
+++ b/nix/my-projects.json
@@ -18,12 +18,12 @@
     }
   },
   "does-it-build": {
-    "commit": "25179d488df81b2d585970440b3f716717e9a8f4",
+    "commit": "d15a7465584b5e90dc19126cc3d097683d055a63",
     "fetchFromGitHub": {
       "owner": "Noratrieb",
       "repo": "does-it-build",
-      "rev": "25179d488df81b2d585970440b3f716717e9a8f4",
-      "hash": "sha256-IeljAkaFHZjCF4zM1Em/Aij6Gp+EyLJCVZMxSGG46QE="
+      "rev": "d15a7465584b5e90dc19126cc3d097683d055a63",
+      "hash": "sha256-UC+uy7Ba+VAXeBplIblrYptoI2ORsnL+U64BNGUR7CY="
     }
   },
   "upload.files.noratrieb.dev": {
diff --git a/nix/nixpkgs.json b/nix/nixpkgs.json
index 420739d..5ecd090 100644
--- a/nix/nixpkgs.json
+++ b/nix/nixpkgs.json
@@ -1,5 +1,10 @@
 {
-  "channel": "nixos-25.05",
-  "lastUpdated": "2025-11-18T21:17:51.860Z",
-  "commit": "4c8cdd5b1a630e8f72c9dd9bf582b1afb3127d2c"
+  "nixos-25.05": {
+    "lastUpdated": "2025-11-28T23:05:00.984Z",
+    "commit": "9a7b80b6f82a71ea04270d7ba11b48855681c4b0"
+  },
+  "nixos-25.11": {
+    "lastUpdated": "2025-11-28T23:07:32.637Z",
+    "commit": "2fecba9952096ba043c16b9ef40b92851ff3e5d9"
+  }
 }
diff --git a/nix/update-nixpkgs.mjs b/nix/update-nixpkgs.mjs
index fa63e62..4b3c155 100644
--- a/nix/update-nixpkgs.mjs
+++ b/nix/update-nixpkgs.mjs
@@ -1,23 +1,22 @@
 import fs from "node:fs/promises";
 
 const path = `${import.meta.dirname}/nixpkgs.json`;
-const nixpkgs = JSON.parse(await fs.readFile(path));
+const channels = JSON.parse(await fs.readFile(path));
 
-const res = await fetch(
-  `https://api.github.com/repos/NixOS/nixpkgs/commits/${nixpkgs.channel}`
-);
-
-if (!res.ok) {
-  throw new Error(
-    `get commit for ${name}: ${res.status} - ${await res.text()}`
+for (const [channel, nixpkgs] of Object.entries(channels)) {
+  const res = await fetch(
+    `https://api.github.com/repos/NixOS/nixpkgs/commits/${channel}`
   );
+  if (!res.ok) {
+    throw new Error(
+      `get commit for ${channel}: ${res.status} - ${await res.text()}`
+    );
+  }
+  const body = await res.json();
+  if (body.sha !== nixpkgs.commit) {
+    nixpkgs.commit = body.sha;
+    nixpkgs.lastUpdated = new Date().toISOString();
+  }
 }
 
-const body = await res.json();
-
-if (body.sha !== nixpkgs.commit) {
-  nixpkgs.commit = body.sha;
-  nixpkgs.lastUpdated = new Date().toISOString();
-
-  await fs.writeFile(path, JSON.stringify(nixpkgs, null, 2) + "\n");
-}
+await fs.writeFile(path, JSON.stringify(channels, null, 2) + "\n");