diff --git a/extra/boost/PKGBUILD b/extra/boost/PKGBUILD
index 586485612..0f2dd9265 100644
--- a/extra/boost/PKGBUILD
+++ b/extra/boost/PKGBUILD
@@ -12,11 +12,10 @@
 # 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
-pkgrel=6
+pkgver=1.78.0
+pkgrel=1
 _srcname=boost_${pkgver//./_}
 pkgdesc="Free peer-reviewed portable C++ source libraries"
 arch=('x86_64')
@@ -24,25 +23,20 @@ url="https://www.boost.org/"
 license=('custom')
 makedepends=('icu' 'python' 'python-numpy' 'bzip2' 'zlib' 'openmpi' 'zstd')
 source=(https://boostorg.jfrog.io/artifactory/main/release/$pkgver/source/$_srcname.tar.gz
-        $pkgname-boost_install-python310.patch::https://github.com/boostorg/boost_install/commit/e193f080c7d2.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'
-            '550ad9a4d0afa108bb9f2e2b7f53b548618542db8000e2334261f6fe03850d87'
-            'aa38addb40d5f44b4a8472029b475e7e6aef1c460509eb7d8edf03491dc1b5ee'
-            '05590413cbefd1d64c65d29c5d7d06a54629dc2db26f09e008a18cda8a61d771')
+        $pkgname-b2-fix-lib-install.patch::https://github.com/bfgroup/b2/commit/78fd284a42ca.patch
+        $pkgname-ublas-c++20-iterator.patch::https://github.com/boostorg/ublas/commit/a31e5cffa85f.patch)
+sha256sums=('94ced8b72956591c4775ae2207a9763d3600b30d9d7446562c552f0a14a63be7'
+            'd233b16920ad7da8bb6e02bf5fb4e429592057b4f4db28d4babf3850e837a8db'
+            'aa38addb40d5f44b4a8472029b475e7e6aef1c460509eb7d8edf03491dc1b5ee')
 
 prepare() {
   cd $_srcname
 
-  # https://github.com/boostorg/boost_install/pull/53
-  patch -Np1 -d tools/boost_install <../$pkgname-boost_install-python310.patch
+  # https://github.com/bfgroup/b2/issues/104
+  patch -Np1 -d tools/build <../$pkgname-b2-fix-lib-install.patch
 
   # 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() {