diff --git a/extra/boost/0001-Add-missing-include-to-signals2-trackable.hpp.patch b/extra/boost/0001-Add-missing-include-to-signals2-trackable.hpp.patch
new file mode 100644
index 000000000..d833ee834
--- /dev/null
+++ b/extra/boost/0001-Add-missing-include-to-signals2-trackable.hpp.patch
@@ -0,0 +1,29 @@
+From 06ccdfee76fe487a141b95848d1c866890f15d88 Mon Sep 17 00:00:00 2001
+From: Evangelos Foutras <evangelos@foutrelis.com>
+Date: Thu, 6 Nov 2014 09:19:26 +0200
+Subject: [PATCH] Add missing include to signals2/trackable.hpp
+
+boost::weak_ptr started being used in commit a0bf2d1 (Disconnect slots
+associated with signals2::trackable immediately) but the matching header
+wasn't included.
+
+https://svn.boost.org/trac/boost/ticket/10100#comment:7
+---
+ include/boost/signals2/trackable.hpp | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/include/boost/signals2/trackable.hpp b/include/boost/signals2/trackable.hpp
+index dba001d..64e8489 100644
+--- a/include/boost/signals2/trackable.hpp
++++ b/include/boost/signals2/trackable.hpp
+@@ -18,6 +18,7 @@
+ 
+ #include <boost/assert.hpp>
+ #include <boost/shared_ptr.hpp>
++#include <boost/weak_ptr.hpp>
+ 
+ namespace boost {
+   namespace signals2 {
+-- 
+2.1.3
+
diff --git a/extra/boost/PKGBUILD b/extra/boost/PKGBUILD
index d90e1054a..2d8b4ba54 100644
--- a/extra/boost/PKGBUILD
+++ b/extra/boost/PKGBUILD
@@ -13,21 +13,23 @@
 
 pkgbase=boost
 pkgname=('boost-libs' 'boost')
-pkgver=1.56.0
+pkgver=1.57.0
 _boostver=${pkgver//./_}
-pkgrel=3
+pkgrel=2
 url='http://www.boost.org/'
 arch=('i686' 'x86_64')
 license=('custom')
 makedepends=('icu>=53.1' 'python' 'python2' 'bzip2' 'zlib')
-source=(http://downloads.sourceforge.net/${pkgbase}/${pkgbase}_${_boostver}.tar.gz
-        boost-1.56.0-add-missing-headers-to-shared_ptr_helper.patch)
-sha1sums=('1639723c6bdff873cdb6d747f8f8c9d9f066434d'
-          '5d611ad72005d1fb939ea783603861d2cb29433a')
+source=(https://downloads.sourceforge.net/project/${pkgbase}/${pkgbase}/${pkgver}/${pkgbase}_${_boostver}.tar.bz2
+        0001-Add-missing-include-to-signals2-trackable.hpp.patch)
+sha1sums=('e151557ae47afd1b43dc3fac46f8b04a8fe51c12'
+          '35bc8ad7493a641ec708a691036fe5319aec70cd')
 
 prepare() {
    cd ${pkgbase}_${_boostver}
-   patch -p2 -i ../boost-1.56.0-add-missing-headers-to-shared_ptr_helper.patch
+
+   # https://github.com/boostorg/signals2/pull/8
+   patch -Np2 -i ../0001-Add-missing-include-to-signals2-trackable.hpp.patch
 }
 
 build() {
@@ -84,7 +86,7 @@ package_boost() {
    cp -a "${_stagedir}"/{bin,include,share} "${pkgdir}"/usr
 
    install -d "${pkgdir}"/usr/lib
-   find "${_stagedir}"/lib -name \*.a -exec mv {} "${pkgdir}"/usr/lib \;
+   cp -a "${_stagedir}"/lib/*.a "${pkgdir}"/usr/lib/
 
    install -Dm644 "${srcdir}/"${pkgbase}_${_boostver}/LICENSE_1_0.txt \
       "${pkgdir}"/usr/share/licenses/boost/LICENSE_1_0.txt
@@ -98,6 +100,7 @@ package_boost-libs() {
 
    install -dm755 "${pkgdir}"/usr
    cp -a "${_stagedir}"/lib "${pkgdir}"/usr
+   rm "${pkgdir}"/usr/lib/*.a
 
    install -Dm644 "${srcdir}/"${pkgbase}_${_boostver}/LICENSE_1_0.txt \
       "${pkgdir}"/usr/share/licenses/boost-libs/LICENSE_1_0.txt
diff --git a/extra/boost/boost-1.56.0-add-missing-headers-to-shared_ptr_helper.patch b/extra/boost/boost-1.56.0-add-missing-headers-to-shared_ptr_helper.patch
deleted file mode 100644
index cab5d40d0..000000000
--- a/extra/boost/boost-1.56.0-add-missing-headers-to-shared_ptr_helper.patch
+++ /dev/null
@@ -1,23 +0,0 @@
-From e70f330af74e902d4f1b1f4891a34d315cc09963 Mon Sep 17 00:00:00 2001
-From: Gary Mirams <gary.mirams@gmail.com>
-Date: Mon, 11 Aug 2014 14:41:49 +0100
-Subject: [PATCH] Update the #includes in shared_ptr_helper.hpp to avoid
- 'singleton' is not a member of 'boost::serialization' errors on compilation
-
----
- include/boost/serialization/shared_ptr_helper.hpp | 2 ++
- 1 file changed, 2 insertions(+)
-
-diff --git a/include/boost/serialization/shared_ptr_helper.hpp b/include/boost/serialization/shared_ptr_helper.hpp
-index 9dace87..78995d4 100644
---- a/include/boost/serialization/shared_ptr_helper.hpp
-+++ b/include/boost/serialization/shared_ptr_helper.hpp
-@@ -26,6 +26,8 @@
- #include <boost/type_traits/is_polymorphic.hpp>
- #include <boost/mpl/if.hpp>
- 
-+#include <boost/serialization/singleton.hpp>
-+#include <boost/serialization/extended_type_info.hpp>
- #include <boost/serialization/type_info_implementation.hpp>
- #include <boost/serialization/throw_exception.hpp>
- #include <boost/archive/archive_exception.hpp>