diff --git a/pkgs/by-name/nixpkgs-bootstrap/master.nix b/pkgs/by-name/nixpkgs-bootstrap/master.nix
index 2cbac5548..274efd6f9 100644
--- a/pkgs/by-name/nixpkgs-bootstrap/master.nix
+++ b/pkgs/by-name/nixpkgs-bootstrap/master.nix
@@ -14,8 +14,8 @@
   mkNixpkgs ? import ./mkNixpkgs.nix {},
 }:
 mkNixpkgs {
-  rev = "465ab8f0977d05657b1b4adc6e7e06fe4db04c0c";
-  sha256 = "sha256-yHIaDRjaBtRjYbm1ByhRqsAnMncLTG/uDDHHC2wXBMY=";
-  version = "unstable-2025-08-26";
+  rev = "f39808415aee96e539b4c06fb5df23a872c63702";
+  sha256 = "sha256-XcMe9OxRtRN9pf6xHXYCl3vidRm9i98FGjYmdzVgtS0=";
+  version = "unstable-2025-08-27";
   branch = "master";
 }
diff --git a/pkgs/by-name/nixpkgs-bootstrap/patches.nix b/pkgs/by-name/nixpkgs-bootstrap/patches.nix
index 8ca23700b..5e26a7084 100644
--- a/pkgs/by-name/nixpkgs-bootstrap/patches.nix
+++ b/pkgs/by-name/nixpkgs-bootstrap/patches.nix
@@ -90,13 +90,6 @@ in
     hash = "sha256-ZDDRdGPpxER/i2trBDiovbIZc0Qe94iUp/XdWvIvG98=";
   })
 
-  (fetchpatch' {
-    name = "coincurve: fix build";
-    # saneCommit = "cd118a2491e613f0d4dd8673a6ac17a0094dd987";
-    prUrl = "https://github.com/NixOS/nixpkgs/pull/437180";
-    hash = "sha256-u/dLLLG7Keamd5sZyXnSEpXWFRnX2dITt2lNSiO3Ux8=";
-  })
-
   # (fetchpatch' {
   #   # opencv used by alpaca, newelle
   #   name = "opencv: fix cross compliation by patching protobuf";