diff --git a/pkgs/development/tools/misc/coreboot-toolchain/default.nix b/pkgs/development/tools/misc/coreboot-toolchain/default.nix
index 5fc88bc6407f..2279ff8e5d4f 100644
--- a/pkgs/development/tools/misc/coreboot-toolchain/default.nix
+++ b/pkgs/development/tools/misc/coreboot-toolchain/default.nix
@@ -26,12 +26,12 @@ let
 
       stdenvNoCC.mkDerivation (finalAttrs: {
         pname = "coreboot-toolchain-${arch}";
-        version = "25.12";
+        version = "26.03";
 
         src = fetchgit {
           url = "https://review.coreboot.org/coreboot";
           rev = finalAttrs.version;
-          hash = "sha256-zm1M+iveBxE/8/vIXZz1KoFkMaKW+bsQM4me5T6WqVY=";
+          hash = "sha256-9ollzu6vtU+uHibvV/B5N70ZVl701kuI/orWlFZLjIU=";
           fetchSubmodules = false;
           leaveDotGit = true;
           postFetch = ''