diff --git a/overlays/default.nix b/overlays/default.nix
index 7984ac0..d24e60f 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -1,3 +1,3 @@
 {
-  # NOTE: no overlays at the moment
+  nix-serve-ng-initLibStore = import ./nix-serve-ng-initLibStore;
 }
diff --git a/overlays/nix-serve-ng-initLibStore/default.nix b/overlays/nix-serve-ng-initLibStore/default.nix
new file mode 100644
index 0000000..b528dc7
--- /dev/null
+++ b/overlays/nix-serve-ng-initLibStore/default.nix
@@ -0,0 +1,11 @@
+final: prev:
+{
+  nix-serve-ng = prev.nix-serve-ng.overrideAttrs (_: {
+    src = final.fetchFromGitHub {
+      owner = "aristanetworks";
+      repo = "nix-serve-ng";
+      rev = "dabf46d65d8e3be80fa2eacd229eb3e621add4bd";
+      hash = "sha256-SoJJ3rMtDMfUzBSzuGMY538HDIj/s8bPf8CjIkpqY2w=";
+    };
+  });
+}