diff --git a/extra/boost/PKGBUILD b/extra/boost/PKGBUILD
index 61e0ebf5a..d8c83be9a 100644
--- a/extra/boost/PKGBUILD
+++ b/extra/boost/PKGBUILD
@@ -14,7 +14,7 @@
 
 pkgname=('boost' 'boost-libs')
 pkgver=1.83.0
-pkgrel=1
+pkgrel=2
 _srcname=boost_${pkgver//./_}
 pkgdesc="Free peer-reviewed portable C++ source libraries"
 arch=('x86_64')
@@ -23,9 +23,11 @@ license=('custom')
 makedepends=('icu' 'python' 'python-numpy' 'bzip2' 'zlib' 'openmpi' 'zstd')
 source=(https://boostorg.jfrog.io/artifactory/main/release/$pkgver/source/$_srcname.tar.bz2
         boost-1.81.0-phoenix-multiple-definitions.patch
+        $pkgname-support-fn.contains-f-where-f-is-a-function.patch::https://github.com/boostorg/function/commit/7ca2310b15e3.patch
         $pkgname-ublas-c++20-iterator.patch::https://github.com/boostorg/ublas/commit/a31e5cffa85f.patch)
 sha256sums=('6478edfe2f3305127cffe8caf73ea0176c53769f4bf1585be237eb30798c3b8e'
             '3ebf428ef6be090a7b56a233330375539ac429333b83708e28fe5db049cfecdb'
+            '1b5998ee8fb389dd6df55a3684d29ffa37246bc007e8e6712bf2be6c7f745036'
             'aa38addb40d5f44b4a8472029b475e7e6aef1c460509eb7d8edf03491dc1b5ee')
 
 prepare() {
@@ -34,6 +36,11 @@ prepare() {
   # https://github.com/boostorg/phoenix/issues/111
   patch -Np1 -i ../boost-1.81.0-phoenix-multiple-definitions.patch
 
+  # https://github.com/boostorg/signals2/issues/68
+  # https://github.com/boostorg/function/issues/46
+  patch -Np2 -i <(sed 's#test/#asd/libs/function/test/#' \
+    ../$pkgname-support-fn.contains-f-where-f-is-a-function.patch)
+
   # https://github.com/boostorg/ublas/pull/97
   patch -Np2 -i ../$pkgname-ublas-c++20-iterator.patch
 }