diff --git a/flake.lock b/flake.lock
index f1744039..3a7a1672 100644
--- a/flake.lock
+++ b/flake.lock
@@ -12,16 +12,16 @@
         "nixpkgs-regression": []
       },
       "locked": {
-        "lastModified": 1744029599,
-        "narHash": "sha256-u6RhBWQ1XohTZ4Ub5ml1PTcaxQgtqFNng6Sohy1rojw=",
+        "lastModified": 1744030329,
+        "narHash": "sha256-r+psCOW77vTSTNbxTVrYHeh6OgB0QukbnyUVDwg8s4I=",
         "owner": "NixOS",
         "repo": "nix",
-        "rev": "d0f98c76f962147610489e84c10033ca92e9c532",
+        "rev": "a4962f73b5fc874d4b16baef47921daf349addfc",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "2.27-maintenance",
+        "ref": "2.28-maintenance",
         "repo": "nix",
         "type": "github"
       }
@@ -29,16 +29,15 @@
     "nix-eval-jobs": {
       "flake": false,
       "locked": {
-        "lastModified": 1744009874,
-        "narHash": "sha256-PypQspB7h7EENe4RQQUQj2Ay8J1+O49AKNO9JbAU4Ek=",
+        "lastModified": 1744018595,
+        "narHash": "sha256-v5n6t49X7MOpqS9j0FtI6TWOXvxuZMmGsp2OfUK5QfA=",
         "owner": "nix-community",
         "repo": "nix-eval-jobs",
-        "rev": "62f9c9e8d00d2ff6ab27a6197ab459a8e0808e59",
+        "rev": "cba718bafe5dc1607c2b6761ecf53c641a6f3b21",
         "type": "github"
       },
       "original": {
         "owner": "nix-community",
-        "ref": "v2.27.0",
         "repo": "nix-eval-jobs",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 5a305ca0..dc1d1b8a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,7 +4,7 @@
   inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11-small";
 
   inputs.nix = {
-    url = "github:NixOS/nix/2.27-maintenance";
+    url = "github:NixOS/nix/2.28-maintenance";
     inputs.nixpkgs.follows = "nixpkgs";
 
     # hide nix dev tooling from our lock file
@@ -16,7 +16,7 @@
   };
 
   inputs.nix-eval-jobs = {
-    url = "github:nix-community/nix-eval-jobs/v2.27.0";
+    url = "github:nix-community/nix-eval-jobs";
     # We want to control the deps precisely
     flake = false;
   };
@@ -34,7 +34,6 @@
         hydra = final.callPackage ./package.nix {
           inherit (nixpkgs.lib) fileset;
           rawSrc = self;
-          nix-perl-bindings = final.nixComponents.nix-perl-bindings;
         };
       };
 
@@ -73,21 +72,29 @@
         validate-openapi = hydraJobs.tests.validate-openapi.${system};
       });
 
-      packages = forEachSystem (system: {
-        nix-eval-jobs = nixpkgs.legacyPackages.${system}.callPackage nix-eval-jobs {
-          nix = nix.packages.${system}.nix;
-        };
-        hydra = nixpkgs.legacyPackages.${system}.callPackage ./package.nix {
-          inherit (nixpkgs.lib) fileset;
-          inherit (self.packages.${system}) nix-eval-jobs;
-          rawSrc = self;
+      packages = forEachSystem (system: let
+        nixComponents = {
           inherit (nix.packages.${system})
             nix-util
             nix-store
+            nix-expr
+            nix-fetchers
+            nix-flake
             nix-main
+            nix-cmd
             nix-cli
+            nix-perl-bindings
             ;
-          nix-perl-bindings = nix.hydraJobs.perlBindings.${system};
+        };
+      in {
+        nix-eval-jobs = nixpkgs.legacyPackages.${system}.callPackage nix-eval-jobs {
+          inherit nixComponents;
+        };
+        hydra = nixpkgs.legacyPackages.${system}.callPackage ./package.nix {
+          inherit (nixpkgs.lib) fileset;
+          inherit nixComponents;
+          inherit (self.packages.${system}) nix-eval-jobs;
+          rawSrc = self;
         };
         default = self.packages.${system}.hydra;
       });
diff --git a/meson.build b/meson.build
index 9c9c09a1..c1eb577b 100644
--- a/meson.build
+++ b/meson.build
@@ -12,20 +12,6 @@ nix_util_dep = dependency('nix-util', required: true)
 nix_store_dep = dependency('nix-store', required: true)
 nix_main_dep = dependency('nix-main', required: true)
 
-# Nix need extra flags not provided in its pkg-config files.
-nix_dep = declare_dependency(
-  dependencies: [
-    nix_util_dep,
-    nix_store_dep,
-    nix_main_dep,
-  ],
-  compile_args: [
-    '-include', 'nix/config-util.hh',
-    '-include', 'nix/config-store.hh',
-    '-include', 'nix/config-main.hh',
-  ],
-)
-
 pqxx_dep = dependency('libpqxx', required: true)
 
 prom_cpp_core_dep = dependency('prometheus-cpp-core', required: true)
diff --git a/package.nix b/package.nix
index 07701bc9..8bf6a199 100644
--- a/package.nix
+++ b/package.nix
@@ -8,11 +8,7 @@
 
 , perlPackages
 
-, nix-util
-, nix-store
-, nix-main
-, nix-cli
-, nix-perl-bindings
+, nixComponents
 , git
 
 , makeWrapper
@@ -65,7 +61,7 @@ let
     name = "hydra-perl-deps";
     paths = lib.closePropagation
       ([
-        nix-perl-bindings
+        nixComponents.nix-perl-bindings
         git
       ] ++ (with perlPackages; [
         AuthenSASL
@@ -165,7 +161,7 @@ stdenv.mkDerivation (finalAttrs: {
     nukeReferences
     pkg-config
     mdbook
-    nix-cli
+    nixComponents.nix-cli
     perlDeps
     perl
     unzip
@@ -175,9 +171,9 @@ stdenv.mkDerivation (finalAttrs: {
     libpqxx
     openssl
     libxslt
-    nix-util
-    nix-store
-    nix-main
+    nixComponents.nix-util
+    nixComponents.nix-store
+    nixComponents.nix-main
     perlDeps
     perl
     boost
@@ -204,14 +200,14 @@ stdenv.mkDerivation (finalAttrs: {
     glibcLocales
     libressl.nc
     python3
-    nix-cli
+    nixComponents.nix-cli
   ];
 
   hydraPath = lib.makeBinPath (
     [
       subversion
       openssh
-      nix-cli
+      nixComponents.nix-cli
       coreutils
       findutils
       pixz
@@ -272,7 +268,7 @@ stdenv.mkDerivation (finalAttrs: {
             --prefix PATH ':' $out/bin:$hydraPath \
             --set HYDRA_RELEASE ${version} \
             --set HYDRA_HOME $out/libexec/hydra \
-            --set NIX_RELEASE ${nix-cli.name or "unknown"} \
+            --set NIX_RELEASE ${nixComponents.nix-cli.name or "unknown"} \
             --set NIX_EVAL_JOBS_RELEASE ${nix-eval-jobs.name or "unknown"}
     done
   '';
diff --git a/src/hydra-evaluator/hydra-evaluator.cc b/src/hydra-evaluator/hydra-evaluator.cc
index 9312d085..52664188 100644
--- a/src/hydra-evaluator/hydra-evaluator.cc
+++ b/src/hydra-evaluator/hydra-evaluator.cc
@@ -1,8 +1,8 @@
 #include "db.hh"
 #include "hydra-config.hh"
-#include "pool.hh"
-#include "shared.hh"
-#include "signals.hh"
+#include <nix/util/pool.hh>
+#include <nix/main/shared.hh>
+#include <nix/util/signals.hh>
 
 #include <algorithm>
 #include <thread>
diff --git a/src/hydra-evaluator/meson.build b/src/hydra-evaluator/meson.build
index b3dc542e..53ddc354 100644
--- a/src/hydra-evaluator/meson.build
+++ b/src/hydra-evaluator/meson.build
@@ -2,7 +2,8 @@ hydra_evaluator = executable('hydra-evaluator',
   'hydra-evaluator.cc',
   dependencies: [
     libhydra_dep,
-    nix_dep,
+    nix_util_dep,
+    nix_main_dep,
     pqxx_dep,
   ],
   install: true,
diff --git a/src/hydra-queue-runner/build-remote.cc b/src/hydra-queue-runner/build-remote.cc
index 77bde2c4..79c32d46 100644
--- a/src/hydra-queue-runner/build-remote.cc
+++ b/src/hydra-queue-runner/build-remote.cc
@@ -5,20 +5,20 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 
-#include "build-result.hh"
-#include "path.hh"
-#include "legacy-ssh-store.hh"
-#include "serve-protocol.hh"
-#include "serve-protocol-impl.hh"
+#include <nix/store/build-result.hh>
+#include <nix/store/path.hh>
+#include <nix/store/legacy-ssh-store.hh>
+#include <nix/store/serve-protocol.hh>
+#include <nix/store/serve-protocol-impl.hh>
 #include "state.hh"
-#include "current-process.hh"
-#include "processes.hh"
-#include "util.hh"
-#include "serve-protocol.hh"
-#include "serve-protocol-impl.hh"
-#include "ssh.hh"
-#include "finally.hh"
-#include "url.hh"
+#include <nix/util/current-process.hh>
+#include <nix/util/processes.hh>
+#include <nix/util/util.hh>
+#include <nix/store/serve-protocol.hh>
+#include <nix/store/serve-protocol-impl.hh>
+#include <nix/store/ssh.hh>
+#include <nix/util/finally.hh>
+#include <nix/util/url.hh>
 
 using namespace nix;
 
diff --git a/src/hydra-queue-runner/build-result.cc b/src/hydra-queue-runner/build-result.cc
index ffdc37b7..b0695e8b 100644
--- a/src/hydra-queue-runner/build-result.cc
+++ b/src/hydra-queue-runner/build-result.cc
@@ -1,7 +1,7 @@
 #include "hydra-build-result.hh"
-#include "store-api.hh"
-#include "util.hh"
-#include "source-accessor.hh"
+#include <nix/store/store-api.hh>
+#include <nix/util/util.hh>
+#include <nix/util/source-accessor.hh>
 
 #include <regex>
 
diff --git a/src/hydra-queue-runner/builder.cc b/src/hydra-queue-runner/builder.cc
index 4bc00f0c..018215a5 100644
--- a/src/hydra-queue-runner/builder.cc
+++ b/src/hydra-queue-runner/builder.cc
@@ -2,8 +2,8 @@
 
 #include "state.hh"
 #include "hydra-build-result.hh"
-#include "finally.hh"
-#include "binary-cache-store.hh"
+#include <nix/util/finally.hh>
+#include <nix/store/binary-cache-store.hh>
 
 using namespace nix;
 
diff --git a/src/hydra-queue-runner/hydra-build-result.hh b/src/hydra-queue-runner/hydra-build-result.hh
index 7d47f67c..654bf1be 100644
--- a/src/hydra-queue-runner/hydra-build-result.hh
+++ b/src/hydra-queue-runner/hydra-build-result.hh
@@ -2,9 +2,9 @@
 
 #include <memory>
 
-#include "hash.hh"
-#include "derivations.hh"
-#include "store-api.hh"
+#include <nix/util/hash.hh>
+#include <nix/store/derivations.hh>
+#include <nix/store/store-api.hh>
 #include "nar-extractor.hh"
 
 struct BuildProduct
diff --git a/src/hydra-queue-runner/hydra-queue-runner.cc b/src/hydra-queue-runner/hydra-queue-runner.cc
index 99411f9f..64a98797 100644
--- a/src/hydra-queue-runner/hydra-queue-runner.cc
+++ b/src/hydra-queue-runner/hydra-queue-runner.cc
@@ -11,16 +11,16 @@
 
 #include <nlohmann/json.hpp>
 
-#include "signals.hh"
+#include <nix/util/signals.hh>
 #include "state.hh"
 #include "hydra-build-result.hh"
-#include "store-api.hh"
-#include "remote-store.hh"
+#include <nix/store/store-api.hh>
+#include <nix/store/remote-store.hh>
 
-#include "globals.hh"
+#include <nix/store/globals.hh>
 #include "hydra-config.hh"
-#include "s3-binary-cache-store.hh"
-#include "shared.hh"
+#include <nix/store/s3-binary-cache-store.hh>
+#include <nix/main/shared.hh>
 
 using namespace nix;
 using nlohmann::json;
diff --git a/src/hydra-queue-runner/meson.build b/src/hydra-queue-runner/meson.build
index 1c20299f..27dad2c0 100644
--- a/src/hydra-queue-runner/meson.build
+++ b/src/hydra-queue-runner/meson.build
@@ -13,7 +13,9 @@ hydra_queue_runner = executable('hydra-queue-runner',
   srcs,
   dependencies: [
     libhydra_dep,
-    nix_dep,
+    nix_util_dep,
+    nix_store_dep,
+    nix_main_dep,
     pqxx_dep,
     prom_cpp_core_dep,
     prom_cpp_pull_dep,
diff --git a/src/hydra-queue-runner/nar-extractor.cc b/src/hydra-queue-runner/nar-extractor.cc
index 8729dd39..3bf06ef3 100644
--- a/src/hydra-queue-runner/nar-extractor.cc
+++ b/src/hydra-queue-runner/nar-extractor.cc
@@ -1,6 +1,6 @@
 #include "nar-extractor.hh"
 
-#include "archive.hh"
+#include <nix/util/archive.hh>
 
 #include <unordered_set>
 
diff --git a/src/hydra-queue-runner/nar-extractor.hh b/src/hydra-queue-runner/nar-extractor.hh
index 2634135b..0060efe2 100644
--- a/src/hydra-queue-runner/nar-extractor.hh
+++ b/src/hydra-queue-runner/nar-extractor.hh
@@ -1,9 +1,9 @@
 #pragma once
 
-#include "source-accessor.hh"
-#include "types.hh"
-#include "serialise.hh"
-#include "hash.hh"
+#include <nix/util/source-accessor.hh>
+#include <nix/util/types.hh>
+#include <nix/util/serialise.hh>
+#include <nix/util/hash.hh>
 
 struct NarMemberData
 {
diff --git a/src/hydra-queue-runner/queue-monitor.cc b/src/hydra-queue-runner/queue-monitor.cc
index 7d747d3e..81bda873 100644
--- a/src/hydra-queue-runner/queue-monitor.cc
+++ b/src/hydra-queue-runner/queue-monitor.cc
@@ -1,7 +1,7 @@
 #include "state.hh"
 #include "hydra-build-result.hh"
-#include "globals.hh"
-#include "parsed-derivations.hh"
+#include <nix/store/globals.hh>
+#include <nix/store/parsed-derivations.hh>
 
 #include <cstring>
 
diff --git a/src/hydra-queue-runner/state.hh b/src/hydra-queue-runner/state.hh
index e6c5f7df..8933720d 100644
--- a/src/hydra-queue-runner/state.hh
+++ b/src/hydra-queue-runner/state.hh
@@ -13,18 +13,18 @@
 
 #include "db.hh"
 
-#include "derivations.hh"
-#include "derivation-options.hh"
-#include "pathlocks.hh"
-#include "pool.hh"
-#include "build-result.hh"
-#include "store-api.hh"
-#include "sync.hh"
+#include <nix/store/derivations.hh>
+#include <nix/store/derivation-options.hh>
+#include <nix/store/pathlocks.hh>
+#include <nix/util/pool.hh>
+#include <nix/store/build-result.hh>
+#include <nix/store/store-api.hh>
+#include <nix/util/sync.hh>
 #include "nar-extractor.hh"
-#include "serve-protocol.hh"
-#include "serve-protocol-impl.hh"
-#include "serve-protocol-connection.hh"
-#include "machines.hh"
+#include <nix/store/serve-protocol.hh>
+#include <nix/store/serve-protocol-impl.hh>
+#include <nix/store/serve-protocol-connection.hh>
+#include <nix/store/machines.hh>
 
 
 typedef unsigned int BuildID;
diff --git a/src/libhydra/db.hh b/src/libhydra/db.hh
index 1e927573..c664a01d 100644
--- a/src/libhydra/db.hh
+++ b/src/libhydra/db.hh
@@ -2,8 +2,8 @@
 
 #include <pqxx/pqxx>
 
-#include "environment-variables.hh"
-#include "util.hh"
+#include <nix/util/environment-variables.hh>
+#include <nix/util/util.hh>
 
 
 struct Connection : pqxx::connection
diff --git a/src/libhydra/hydra-config.hh b/src/libhydra/hydra-config.hh
index b1275896..85c58746 100644
--- a/src/libhydra/hydra-config.hh
+++ b/src/libhydra/hydra-config.hh
@@ -2,8 +2,8 @@
 
 #include <map>
 
-#include "file-system.hh"
-#include "util.hh"
+#include <nix/util/file-system.hh>
+#include <nix/util/util.hh>
 
 struct HydraConfig
 {