diff --git a/extra/boost/PKGBUILD b/extra/boost/PKGBUILD
index c1754672d..4f970fb27 100644
--- a/extra/boost/PKGBUILD
+++ b/extra/boost/PKGBUILD
@@ -12,6 +12,7 @@
 # ALARM: Kevin Mihelich <kevin@archlinuxarm.org>
 #  - build armv6h with -march=armv6k
 #  - specify arm architecture to b2 for aarch64
+#  - upstream PR to fix v5 FTFBS in regex module
 
 pkgname=('boost' 'boost-libs')
 pkgver=1.76.0
@@ -23,15 +24,20 @@ url="https://www.boost.org/"
 license=('custom')
 makedepends=('icu' 'python' 'python-numpy' 'bzip2' 'zlib' 'openmpi' 'zstd')
 source=(https://boostorg.jfrog.io/artifactory/main/release/$pkgver/source/$_srcname.tar.gz
-        $pkgname-ublas-c++20-iterator.patch::https://github.com/boostorg/ublas/commit/a31e5cffa85f.patch)
+        $pkgname-ublas-c++20-iterator.patch::https://github.com/boostorg/ublas/commit/a31e5cffa85f.patch
+        https://patch-diff.githubusercontent.com/raw/boostorg/regex/pull/132.patch)
 sha256sums=('7bd7ddceec1a1dfdcbdb3e609b60d01739c38390a5f956385a12f3122049f0ca'
-            'aa38addb40d5f44b4a8472029b475e7e6aef1c460509eb7d8edf03491dc1b5ee')
+            'aa38addb40d5f44b4a8472029b475e7e6aef1c460509eb7d8edf03491dc1b5ee'
+            '05590413cbefd1d64c65d29c5d7d06a54629dc2db26f09e008a18cda8a61d771')
 
 prepare() {
   cd $_srcname
 
   # https://github.com/boostorg/ublas/pull/97
   patch -Np2 -i ../$pkgname-ublas-c++20-iterator.patch
+
+  # https://github.com/boostorg/regex/pull/132
+  patch -Np2 -i ../132.patch
 }
 
 build() {