From f062222f0b3b70797ba03bd4749ba6515f3838ab Mon Sep 17 00:00:00 2001
From: "renovate[bot]" <29139614+renovate[bot]@users.noreply.github.com>
Date: Tue, 15 Sep 2026 02:54:14 +0000
Subject: [PATCH] chore(deps): update dependency swiftlang/swift to v6.4.0

---
 build.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/build.sh b/build.sh
index 59a4376..96b1a9c 100755
--- a/build.sh
+++ b/build.sh
@@ -19,8 +19,8 @@ set -eu
 # which derives its prefix from its own location; nothing here depends on cache state.
 TOOLCHAIN_REPO="ModernMavericks/swift-toolchain"
 TOOLCHAIN_REF="6.3.3-mavericks.4"   # renovate: github-releases ModernMavericks/swift-toolchain
-SWIFT_VERSION="6.3.3"   # renovate: swiftlang/swift
-SWIFT_SHA="064859e41d68596f486c5d724401cb370f260409"          # commit at SWIFT_TAG; Renovate moves it with SWIFT_VERSION
+SWIFT_VERSION="6.4.0"   # renovate: swiftlang/swift
+SWIFT_SHA="b8189d766d86ad7fc8106787d6ce9e402f38dd72"          # commit at SWIFT_TAG; Renovate moves it with SWIFT_VERSION
 # DERIVED from SWIFT_VERSION, never repeated: a Renovate bump rewrites one line, and a tag left
 # behind would clone a different Swift than SWIFT_SHA names. (swift-toolchain's pins.env learned this
 # the same way -- it used to repeat the version four times.)