diff --git a/PKGBUILD b/PKGBUILD
index c8e966c74..35d016286 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,7 +1,7 @@
 # Maintainer: Yukari Chiba <i@0x7f.cc>
 
 pkgname=double-conversion
-pkgver=3.3.1
+pkgver=3.4.0
 pkgrel=1
 pkgdesc='Binary-decimal and decimal-binary routines for IEEE doubles'
 arch=(x86_64 aarch64 riscv64 loongarch64)
@@ -11,7 +11,7 @@ depends=(llvm-libs musl)
 makedepends=(cmake
              git)
 source=(git+https://github.com/google/double-conversion#tag=v$pkgver)
-sha256sums=('6009d129b305b65819cf37cd8cd8f07557a461d141a91f6e3afd553c4a384d59')
+sha256sums=('9963201818e6ef262b99e68b2ec2500b2b49270d0205dc7487d16ec5e8f467f3')
 
 prepare() {
 # Fix build with cmake 4