diff --git a/nightly.nix b/nightly.nix
index f979331..c7a9eea 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 = "0.20.4-unstable-2026-08-20.68518411";
-  pinRev = "6851841112e921537eb7195ef6e8be7d2ca2d2f6";
-  pinHash = "sha256-xt+9SK8IV7qQYP4c4/cVFOjgQNYhgaR/yAVTD86UsuA=";
+  pinVersion = "0.20.6-unstable-2026-08-31.2f261f99";
+  pinRev = "2f261f99fff98036da5b383498470fe5b0f68136";
+  pinHash = "sha256-27LUNt6A9+EdkrYbkPrEP3kK8Uzw/Ld0m9A2L5YPHGs=";
 }