diff --git a/flake.nix b/flake.nix
index b7158bbd..e0e652f3 100644
--- a/flake.nix
+++ b/flake.nix
@@ -31,6 +31,7 @@
         inherit (pkgs) callPackage ;
         mango = callPackage ./nix {
           inherit (inputs.scenefx.packages.${pkgs.stdenv.hostPlatform.system}) scenefx;
+          gitRev = self.shortRev or "dirty";
         };
         shellOverride = old: {
           nativeBuildInputs = old.nativeBuildInputs ++ [];
diff --git a/nix/default.nix b/nix/default.nix
index 6085565e..ae8562a0 100644
--- a/nix/default.nix
+++ b/nix/default.nix
@@ -20,10 +20,11 @@
   libGL,
   enableXWayland ? true,
   debug ? false,
+  gitRev ? "unknown",
 }:
 stdenv.mkDerivation {
   pname = "mango";
-  version = "nightly";
+  version = "nightly-${gitRev}";
 
   src = builtins.path {
     path = ../.;