diff --git a/nightly.nix b/nightly.nix
index c07eec9..f0b8223 100644
--- a/nightly.nix
+++ b/nightly.nix
@@ -2,7 +2,7 @@
 # Auto-updated by scripts/update-nightly.sh — do not edit manually.
 { pkgs }:
 pkgs.callPackage ./package.nix {
-  pinVersion = "0.21.3-unstable-2026-09-18.c62bd9f2";
-  pinRev = "c62bd9f2078a946108f1c9d9b24bf118963277ef";
-  pinHash = "sha256-hdKTqxd4u1/ss3dSlrPrUVa2+GLHB9UAy8w0TGqpBd4=";
+  pinVersion = "0.21.4-unstable-2026-09-22.836b5f82";
+  pinRev = "836b5f8253d27fee79b4f833bc43624f06a890b3";
+  pinHash = "sha256-wbhfSTMHWyf0T3ViECpOnyLeoh7TMrqMVaDjROLRFfY=";
 }