diff --git a/dev/build-systems.nix b/dev/build-systems.nix
new file mode 100644
index 0000000..ef5e259
--- /dev/null
+++ b/dev/build-systems.nix
@@ -0,0 +1,598 @@
+# Build system packages for testing
+# TODO: This file is a temporary arrangement to avoid Flake dependencies.
+# The solution to removing this file is to stop using flakes for CI so we can depend on https://github.com/pyproject-nix/build-system-pkgs
+
+{
+  pyproject-nix,
+  lib,
+}:
+final: _prev:
+let
+  pkgs = final.callPackage ({ pkgs }: pkgs) { };
+  inherit (pkgs) python3Packages;
+in
+lib.mapAttrs
+  (
+    n: v:
+    final.callPackage v {
+      pyprojectHook =
+        if pyproject-nix.build.lib.isBootstrapPackage n then
+          final.pyprojectBootstrapHook
+        else
+          final.pyprojectHook;
+    }
+  )
+  {
+
+    flit-core =
+      { stdenv, pyprojectHook }:
+      stdenv.mkDerivation {
+        inherit (python3Packages.flit-core)
+          pname
+          version
+          src
+          meta
+          patches
+          ;
+        postPatch = python3Packages.flit-core.postPatch or null;
+        sourceRoot = python3Packages.flit-core.sourceRoot or null;
+        nativeBuildInputs = [
+          pyprojectHook
+        ];
+      };
+
+    cmake =
+      {
+        stdenv,
+        python3Packages,
+        pyprojectHook,
+        resolveBuildSystem,
+      }:
+      stdenv.mkDerivation {
+        inherit (python3Packages.cmake)
+          pname
+          version
+          src
+          meta
+          postUnpack
+          setupHooks
+          ;
+
+        nativeBuildInputs =
+          [
+            pyprojectHook
+          ]
+          ++ resolveBuildSystem {
+            flit-core = [ ];
+          };
+      };
+
+    scikit-build-core =
+{
+  stdenv,
+  lib,
+  python,
+  python3Packages,
+  pyprojectHook,
+  resolveBuildSystem,
+}:
+stdenv.mkDerivation {
+  inherit (python3Packages.scikit-build-core)
+    pname
+    version
+    src
+    meta
+    patches
+    ;
+
+  passthru.dependencies =
+    {
+      packaging = [ ];
+      pathspec = [ ];
+    }
+    // lib.optionalAttrs (python.pythonOlder "3.11") {
+      exceptiongroup = [ ];
+      tomli = [ ];
+    }
+    // lib.optionalAttrs (python.pythonOlder "3.9") {
+      importlib-resources = [ ];
+      typing-extensions = [ ];
+    }
+    // lib.optionalAttrs (python.pythonOlder "3.8") {
+      importlib-metadata = [ ];
+    };
+
+  nativeBuildInputs =
+    [
+      pyprojectHook
+    ]
+    ++ resolveBuildSystem {
+      hatchling = [ ];
+      hatch-vcs = [ ];
+    };
+};
+
+    ninja =
+      {
+        stdenv,
+        python3Packages,
+        pyprojectHook,
+        resolveBuildSystem,
+      }:
+      stdenv.mkDerivation {
+        inherit (python3Packages.ninja)
+          pname
+          version
+          src
+          meta
+          postUnpack
+          setupHook
+          preBuild
+          ;
+
+        nativeBuildInputs =
+          [
+            pyprojectHook
+          ]
+          ++ resolveBuildSystem {
+            flit-core = [ ];
+          };
+      };
+
+    cython =
+      {
+        stdenv,
+        python3Packages,
+        pyprojectHook,
+        resolveBuildSystem,
+        pkg-config,
+      }:
+      stdenv.mkDerivation {
+        inherit (python3Packages.cython)
+          pname
+          version
+          src
+          meta
+          setupHook
+          ;
+
+        nativeBuildInputs =
+          [
+            pyprojectHook
+            pkg-config
+          ]
+          ++ resolveBuildSystem {
+            setuptools = [ ];
+          };
+      };
+
+    pytest-runner =
+      {
+        stdenv,
+        fetchurl,
+        pyprojectHook,
+        resolveBuildSystem,
+      }:
+      stdenv.mkDerivation {
+        pname = "pytest-runner";
+        version = "6.0.1";
+
+        src = fetchurl {
+          url = "https://files.pythonhosted.org/packages/d7/7d/60976d532519c3a0b41e06a59ad60949e2be1af937cf02738fec91bfd808/pytest-runner-6.0.1.tar.gz";
+          hash = "sha256-cNRzlYWnAI83v0kzwBP9sye4h4paafy7MxbIiILw9Js=";
+        };
+
+        nativeBuildInputs =
+          [
+            pyprojectHook
+          ]
+          ++ resolveBuildSystem {
+            setuptools = [ ];
+            setuptools-scm = [ ];
+          };
+      };
+
+    hatchling =
+      {
+        stdenv,
+        lib,
+        python,
+        python3Packages,
+        pyprojectHook,
+        resolveBuildSystem,
+      }:
+      stdenv.mkDerivation (finalAttrs: {
+        inherit (python3Packages.hatchling)
+          pname
+          version
+          src
+          meta
+          ;
+
+        passthru.dependencies =
+          {
+            packaging = [ ];
+            pathspec = [ ];
+            pluggy = [ ];
+            trove-classifiers = [ ];
+          }
+          // lib.optionalAttrs (python.pythonOlder "3.11") {
+            tomli = [ ];
+          };
+
+        nativeBuildInputs = [
+          pyprojectHook
+        ] ++ resolveBuildSystem finalAttrs.passthru.dependencies;
+      });
+
+    pluggy =
+      {
+        stdenv,
+        python3Packages,
+        pyprojectHook,
+        resolveBuildSystem,
+      }:
+      stdenv.mkDerivation {
+        inherit (python3Packages.pluggy)
+          pname
+          version
+          src
+          meta
+          ;
+
+        nativeBuildInputs =
+          [
+            pyprojectHook
+          ]
+          ++ resolveBuildSystem {
+            setuptools-scm = [ ];
+          };
+      };
+
+    trove-classifiers =
+      {
+        stdenv,
+        python3Packages,
+        pyprojectHook,
+        resolveBuildSystem,
+      }:
+      stdenv.mkDerivation {
+        inherit (python3Packages.trove-classifiers)
+          pname
+          version
+          src
+          meta
+          ;
+
+        nativeBuildInputs =
+          [
+            pyprojectHook
+          ]
+          ++ resolveBuildSystem {
+            setuptools = [ ];
+            calver = [ ];
+          };
+      };
+
+    build =
+      {
+        stdenv,
+        lib,
+        python,
+        python3Packages,
+        pyprojectHook,
+        resolveBuildSystem,
+      }:
+      stdenv.mkDerivation {
+        inherit (python3Packages.build)
+          pname
+          version
+          src
+          meta
+          ;
+
+        passthru.dependencies =
+          {
+            packaging = [ ];
+            pyproject-hooks = [ ];
+
+          }
+          // lib.optionalAttrs (python.pythonOlder "3.11") {
+            tomli = [ ];
+          };
+
+        nativeBuildInputs =
+          [
+            pyprojectHook
+          ]
+          ++ resolveBuildSystem {
+            flit-core = [ ];
+          };
+      };
+
+    pyproject-hooks =
+      {
+        stdenv,
+        python3Packages,
+        pyprojectHook,
+        resolveBuildSystem,
+      }:
+      stdenv.mkDerivation {
+        inherit (python3Packages.pyproject-hooks)
+          pname
+          version
+          src
+          meta
+          ;
+
+        nativeBuildInputs =
+          [
+            pyprojectHook
+          ]
+          ++ resolveBuildSystem {
+            flit-core = [ ];
+          };
+      };
+
+    packaging =
+      {
+        stdenv,
+        python3Packages,
+        pyprojectHook,
+        resolveBuildSystem,
+      }:
+      stdenv.mkDerivation {
+        inherit (python3Packages.packaging)
+          pname
+          version
+          src
+          meta
+          ;
+
+        nativeBuildInputs =
+          [
+            pyprojectHook
+          ]
+          ++ resolveBuildSystem {
+            flit-core = [ ];
+          };
+      };
+
+    setuptools-scm =
+      {
+        stdenv,
+        lib,
+        python,
+        python3Packages,
+        pyprojectHook,
+        resolveBuildSystem,
+      }:
+      stdenv.mkDerivation {
+        inherit (python3Packages.setuptools-scm)
+          pname
+          version
+          src
+          meta
+          setupHook
+          ;
+
+        passthru = {
+          dependencies =
+            {
+              packaging = [ ];
+              setuptools = [ ];
+            }
+            // lib.optionalAttrs (python.pythonOlder "3.11") {
+              tomli = [ ];
+            }
+            // lib.optionalAttrs (python.pythonOlder "3.10") {
+              typing-extensions = [ ];
+            };
+
+          optional-dependencies = {
+            toml = {
+              tomli = [ ];
+            };
+            rich = {
+              rich = [ ];
+            };
+          };
+        };
+
+        nativeBuildInputs =
+          [
+            pyprojectHook
+          ]
+          ++ resolveBuildSystem (
+            {
+              setuptools = [ ];
+            }
+            // lib.optionalAttrs (python.pythonOlder "3.11") {
+              tomli = [ ];
+            }
+          );
+      };
+
+    setuptools =
+      {
+        stdenv,
+        python3Packages,
+        pyprojectHook,
+        resolveBuildSystem,
+      }:
+      stdenv.mkDerivation {
+        inherit (python3Packages.setuptools)
+          pname
+          version
+          src
+          meta
+          patches
+          preBuild # Skips windows files
+          ;
+
+        passthru.dependencies.wheel = [ ];
+
+        nativeBuildInputs =
+          [
+            pyprojectHook
+          ]
+          ++ resolveBuildSystem {
+            flit-core = [ ];
+          };
+      };
+
+    tomli-w =
+      {
+        stdenv,
+        python3Packages,
+        pyprojectHook,
+        resolveBuildSystem,
+      }:
+      stdenv.mkDerivation {
+        inherit (python3Packages.tomli-w)
+          pname
+          version
+          src
+          meta
+          ;
+
+        nativeBuildInputs =
+          [
+            pyprojectHook
+          ]
+          ++ resolveBuildSystem {
+            flit-core = [ ];
+          };
+      };
+
+    wheel =
+      {
+        stdenv,
+        python3Packages,
+        pyprojectHook,
+        resolveBuildSystem,
+      }:
+      stdenv.mkDerivation {
+        inherit (python3Packages.wheel)
+          pname
+          version
+          src
+          meta
+          ;
+
+        nativeBuildInputs =
+          [
+            pyprojectHook
+          ]
+          ++ resolveBuildSystem {
+            flit-core = [ ];
+          };
+      };
+
+    calver =
+      {
+        stdenv,
+        python3Packages,
+        pyprojectHook,
+        resolveBuildSystem,
+      }:
+      stdenv.mkDerivation {
+        inherit (python3Packages.calver)
+          pname
+          version
+          src
+          meta
+          postPatch
+          ;
+
+        nativeBuildInputs =
+          [
+            pyprojectHook
+          ]
+          ++ resolveBuildSystem {
+            setuptools = [ ];
+          };
+      };
+
+    hatch-fancy-pypi-readme =
+      {
+        stdenv,
+        python3Packages,
+        pyprojectHook,
+        resolveBuildSystem,
+      }:
+      stdenv.mkDerivation {
+        inherit (python3Packages.hatch-fancy-pypi-readme)
+          pname
+          version
+          src
+          meta
+          ;
+
+        passthru.dependencies = {
+          hatchling = [ ];
+        };
+
+        nativeBuildInputs =
+          [
+            pyprojectHook
+          ]
+          ++ resolveBuildSystem {
+            hatchling = [ ];
+          };
+      };
+
+    hatch-vcs =
+      {
+        stdenv,
+        python3Packages,
+        pyprojectHook,
+        resolveBuildSystem,
+      }:
+      stdenv.mkDerivation (_finalAttrs: {
+        inherit (python3Packages.hatch-vcs)
+          pname
+          version
+          src
+          meta
+          ;
+
+        passthru.dependencies = {
+          hatchling = [ ];
+          setuptools-scm = [ ];
+        };
+
+        nativeBuildInputs =
+          [
+            pyprojectHook
+          ]
+          ++ resolveBuildSystem {
+            hatchling = [ ];
+          };
+      });
+
+    pathspec =
+      {
+        stdenv,
+        python3Packages,
+        pyprojectHook,
+        resolveBuildSystem,
+      }:
+      stdenv.mkDerivation {
+        inherit (python3Packages.pathspec)
+          pname
+          version
+          src
+          meta
+          ;
+
+        nativeBuildInputs =
+          [
+            pyprojectHook
+          ]
+          ++ resolveBuildSystem {
+            flit-core = [ ];
+          };
+      };
+
+  }
diff --git a/dev/checks.nix b/dev/checks.nix
index 06555fc..acd5533 100644
--- a/dev/checks.nix
+++ b/dev/checks.nix
@@ -47,6 +47,10 @@ let
     pytest-cov.setuptools = [ ];
   };
 
+  buildSystems = import ./build-systems.nix {
+    inherit lib pyproject-nix;
+  };
+
   # Assemble overlay from spec
   pyprojectOverrides =
     final: prev:
@@ -84,7 +88,13 @@ let
             (pkgs.callPackage pyproject-nix.build.packages {
               python = interpreter;
             }).overrideScope
-              (lib.composeExtensions overlay pyprojectOverrides);
+              (
+                lib.composeManyExtensions [
+                  buildSystems
+                  overlay
+                  pyprojectOverrides
+                ]
+              );
 
         in
         # Render venv
@@ -247,6 +257,7 @@ let
           # Override package set with our overlays
           pythonSet = baseSet.overrideScope (
             lib.composeManyExtensions [
+              buildSystems
               overlay
               pyprojectOverrides
               editableOverlay
diff --git a/flake.lock b/flake.lock
index 33a5312..82f2370 100644
--- a/flake.lock
+++ b/flake.lock
@@ -23,11 +23,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1732016033,
-        "narHash": "sha256-+mqYN/h8/6mjKI0VPBCixo/0q/WeSfUKaGwAr3+9aT4=",
+        "lastModified": 1732086351,
+        "narHash": "sha256-E2/km+smfIc+wpT8dHnEJQsZS+dGNAzlNDJZD5ICA6Q=",
         "owner": "pyproject-nix",
         "repo": "pyproject.nix",
-        "rev": "a407647c2d0df919fe4f8aad30cf327c03f8f008",
+        "rev": "72f29865c9476b8a5d842862e8682dac1eb52d0e",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 6d9915a..d94c24b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -145,6 +145,11 @@
                   inputs' = inputs // {
                     uv2nix = self;
                     self = flake;
+                    pyproject-build-systems = {
+                      overlays.default = import ./dev/build-systems.nix {
+                        inherit pyproject-nix lib;
+                      };
+                    };
                   };
                 in
                 flake;
diff --git a/templates/django-webapp/flake.nix b/templates/django-webapp/flake.nix
index d6360e0..a555fba 100644
--- a/templates/django-webapp/flake.nix
+++ b/templates/django-webapp/flake.nix
@@ -14,6 +14,13 @@
       inputs.pyproject-nix.follows = "pyproject-nix";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+
+    pyproject-build-systems = {
+      url = "github:pyproject-nix/build-system-pkgs";
+      inputs.pyproject-nix.follows = "pyproject-nix";
+      inputs.uv2nix.follows = "uv2nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   outputs =
@@ -22,6 +29,7 @@
       nixpkgs,
       uv2nix,
       pyproject-nix,
+      pyproject-build-systems,
       ...
     }:
     let
@@ -161,7 +169,13 @@
           };
 
         in
-        baseSet.overrideScope (lib.composeExtensions overlay pyprojectOverrides)
+        baseSet.overrideScope (
+          lib.composeManyExtensions [
+            pyproject-build-systems.overlays.default
+            overlay
+            pyprojectOverrides
+          ]
+        )
       );
 
       # Django static roots grouped per system
diff --git a/templates/overriding/flake.nix b/templates/overriding/flake.nix
index 59292fc..1088590 100644
--- a/templates/overriding/flake.nix
+++ b/templates/overriding/flake.nix
@@ -14,6 +14,13 @@
       inputs.pyproject-nix.follows = "pyproject-nix";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+
+    pyproject-build-systems = {
+      url = "github:pyproject-nix/build-system-pkgs";
+      inputs.pyproject-nix.follows = "pyproject-nix";
+      inputs.uv2nix.follows = "uv2nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   outputs =
@@ -21,6 +28,7 @@
       nixpkgs,
       uv2nix,
       pyproject-nix,
+      pyproject-build-systems,
       ...
     }:
     let
@@ -44,6 +52,7 @@
           };
 
           overlays = [
+            pyproject-build-systems.overlays.default
             overlay
             # Note: Files are only split for documentation structuring purposes.
             # This is not considered a best practice.
diff --git a/templates/testing/flake.nix b/templates/testing/flake.nix
index 8e46663..6e9d1b3 100644
--- a/templates/testing/flake.nix
+++ b/templates/testing/flake.nix
@@ -14,6 +14,13 @@
       inputs.pyproject-nix.follows = "pyproject-nix";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+
+    pyproject-build-systems = {
+      url = "github:pyproject-nix/build-system-pkgs";
+      inputs.pyproject-nix.follows = "pyproject-nix";
+      inputs.uv2nix.follows = "uv2nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   # This example shows testing with pytest using uv2nix.
@@ -24,6 +31,7 @@
       nixpkgs,
       uv2nix,
       pyproject-nix,
+      pyproject-build-systems,
       ...
     }:
     let
@@ -110,7 +118,13 @@
           };
 
         in
-        baseSet.overrideScope (lib.composeExtensions overlay pyprojectOverrides)
+        baseSet.overrideScope (
+          lib.composeManyExtensions [
+            pyproject-build-systems.overlays.default
+            overlay
+            pyprojectOverrides
+          ]
+        )
       );
 
     in