diff --git a/.gitignore b/.gitignore
index a2898d6..3625f74 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,9 @@ build/
 target/
 result
 
+# Nix .lgx module bundle outputs
+lez-indexer-module-lgx-*
+
 # Node
 resources/
 
diff --git a/flake.nix b/flake.nix
index 8554cba..4ccc5f7 100644
--- a/flake.nix
+++ b/flake.nix
@@ -47,7 +47,7 @@
 
           lezIndexerModulePackage = pkgs.stdenv.mkDerivation {
             pname = "lez-indexer-module";
-            version = "dev";
+            version = (lib.importJSON ./metadata.json).version;
             src = ./.;
 
             nativeBuildInputs = [