diff --git a/pkgs/by-name/fl/flux-build/package.nix b/pkgs/by-name/fl/flux-build/package.nix
new file mode 100644
index 000000000000..ec9940a227e2
--- /dev/null
+++ b/pkgs/by-name/fl/flux-build/package.nix
@@ -0,0 +1,34 @@
+{
+  lib,
+  buildGoModule,
+  fetchFromGitHub,
+  nix-update-script,
+}:
+
+buildGoModule (finalAttrs: {
+  pname = "flux-build";
+  version = "3.0.10";
+
+  __structuredAttrs = true;
+
+  src = fetchFromGitHub {
+    owner = "DoodleScheduling";
+    repo = "flux-build";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-ToQVm69XqJgRahunUXjNnIiieqSV8TzgFdtFJktz5/g=";
+  };
+
+  vendorHash = "sha256-kVi/VVVPTblDvCjvnsKxfqYELBahHmzTlW74ktdZC7k=";
+
+  passthru.updateScript = nix-update-script { };
+
+  meta = {
+    description = "Build and test kustomize overlays with Flux HelmRelease templating";
+    homepage = "https://github.com/DoodleScheduling/flux-build";
+    license = lib.licenses.asl20;
+    changelog = "https://github.com/DoodleScheduling/flux-build/releases/tag/v${finalAttrs.version}";
+    mainProgram = "flux-build";
+    maintainers = with lib.maintainers; [ MNThomson ];
+    platforms = lib.platforms.unix;
+  };
+})