diff --git a/django5.nix b/django5.nix
new file mode 100644
index 0000000..78a5d6c
--- /dev/null
+++ b/django5.nix
@@ -0,0 +1,7 @@
+_: prev: {
+  python3 = prev.python3.override {
+    packageOverrides = _: python-prev: {
+      django = python-prev.django_5;
+    };
+  };
+}
diff --git a/flake.nix b/flake.nix
index 6f5d73c..d7d7e0b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -40,7 +40,7 @@
     flake-utils.lib.eachDefaultSystem (system: let
       pkgs = import nixpkgs {
         inherit system;
-        overlays = [overlay];
+        overlays = [overlay (import ./django5.nix)];
       };
     in {
       packages = {
diff --git a/overlay.nix b/overlay.nix
index 43f7ca8..9c4d103 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -1,11 +1,5 @@
 geoip2-tarball: let
-  django5 = _: prev: {
-    python3 = prev.python3.override {
-      packageOverrides = _: python-prev: {
-        django = python-prev.django_5;
-      };
-    };
-  };
+  django5 = import ./django5.nix;
 in
   _: prev: {
     geoip-mmdb = (prev.extend django5).callPackage ./pkgs/geoip-mmdb.nix {