diff --git a/.travis.yml b/.travis.yml
index 64227ac2a8..a6c51753b6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -39,7 +39,7 @@ env:
 # No wallet
     - HOST=x86_64-unknown-linux-gnu PACKAGES=" openjdk-7-jre-headless python3" DEP_OPTS="NO_WALLET=1" RUN_TESTS=true GOAL="install" BITCOIN_CONFIG="--enable-glibc-back-compat --enable-reduce-exports"
 # Cross-Mac
-    - HOST=x86_64-apple-darwin11 PACKAGES="cmake imagemagick libcap-dev librsvg2-bin libz-dev libbz2-dev libtiff-tools python-dev" BITCOIN_CONFIG="--enable-reduce-exports" OSX_SDK=10.9 GOAL="deploy"
+    - HOST=x86_64-apple-darwin11 PACKAGES="cmake imagemagick libcap-dev librsvg2-bin libz-dev libbz2-dev libtiff-tools python-dev" BITCOIN_CONFIG="--enable-reduce-exports" OSX_SDK=10.11 GOAL="deploy"
 
 before_install:
     - export PATH=$(echo $PATH | tr ':' "\n" | sed '/\/opt\/python/d' | tr "\n" ":" | sed "s|::|:|g")
diff --git a/build-aux/m4/bitcoin_qt.m4 b/build-aux/m4/bitcoin_qt.m4
index efffa4887d..210df3c025 100644
--- a/build-aux/m4/bitcoin_qt.m4
+++ b/build-aux/m4/bitcoin_qt.m4
@@ -342,6 +342,8 @@ AC_DEFUN([_BITCOIN_QT_FIND_STATIC_PLUGINS],[
        elif test x$TARGET_OS = xdarwin; then
          PKG_CHECK_MODULES([QTPRINT], [Qt5PrintSupport], [QT_LIBS="$QTPRINT_LIBS $QT_LIBS"])
        fi
+     else
+       QT_LIBS="-lQt5PlatformSupport $QT_LIBS"
      fi
      ])
   else
diff --git a/contrib/devtools/symbol-check.py b/contrib/devtools/symbol-check.py
index e26c0fbb94..037b342121 100755
--- a/contrib/devtools/symbol-check.py
+++ b/contrib/devtools/symbol-check.py
@@ -68,6 +68,7 @@ b'libX11.so.6', # part of X11
 b'libxcb.so.1', # part of X11
 b'libfontconfig.so.1', # font support
 b'libfreetype.so.6', # font parsing
+b'libdbus-1.so.3', # inter process communication (notification system)
 b'libdl.so.2' # programming interface to dynamic linker
 }
 
diff --git a/contrib/gitian-descriptors/gitian-osx.yml b/contrib/gitian-descriptors/gitian-osx.yml
index 536fcfb105..991976d59e 100644
--- a/contrib/gitian-descriptors/gitian-osx.yml
+++ b/contrib/gitian-descriptors/gitian-osx.yml
@@ -31,7 +31,7 @@ remotes:
 - "url": "https://github.com/bitcoin/bitcoin.git"
   "dir": "bitcoin"
 files:
-- "MacOSX10.9.sdk.tar.gz"
+- "MacOSX10.11.sdk.tar.gz"
 script: |
   WRAP_DIR=$HOME/wrapped
   HOSTS="x86_64-apple-darwin11"
@@ -87,7 +87,7 @@ script: |
   BASEPREFIX=`pwd`/depends
 
   mkdir -p ${BASEPREFIX}/SDKs
-  tar -C ${BASEPREFIX}/SDKs -xf ${BUILD_DIR}/MacOSX10.9.sdk.tar.gz
+  tar -C ${BASEPREFIX}/SDKs -xf ${BUILD_DIR}/MacOSX10.11.sdk.tar.gz
 
   # Build dependencies for each host
   for i in $HOSTS; do
diff --git a/depends/packages/qt.mk b/depends/packages/qt.mk
index a8d3439965..c452823a95 100644
--- a/depends/packages/qt.mk
+++ b/depends/packages/qt.mk
@@ -1,20 +1,21 @@
 PACKAGE=qt
-$(package)_version=5.5.0
-$(package)_download_path=http://download.qt.io/official_releases/qt/5.5/$($(package)_version)/submodules
+$(package)_version=5.6.1
+$(package)_download_path=http://download.qt.io/official_releases/qt/5.6/$($(package)_version)/submodules
 $(package)_suffix=opensource-src-$($(package)_version).tar.gz
 $(package)_file_name=qtbase-$($(package)_suffix)
-$(package)_sha256_hash=7e82b1318f88e56a2a9376e069aa608d4fd96b48cb0e1b880ae658b0a1af0561
+$(package)_sha256_hash=0ac67cf8d66d52b995f96c31c4b48117a1afb3db99eaa93e20ccd8f7f55f7fde
 $(package)_dependencies=openssl
 $(package)_linux_dependencies=freetype fontconfig dbus libxcb libX11 xproto libXext
 $(package)_build_subdir=qtbase
 $(package)_qt_libs=corelib network widgets gui plugins testlib
-$(package)_patches=mac-qmake.conf fix-xcb-include-order.patch mingw-uuidof.patch pidlist_absolute.patch
+$(package)_patches=mac-qmake.conf mingw-uuidof.patch pidlist_absolute.patch fix-xcb-include-order.patch fix_qt_pkgconfig.patch
 
 $(package)_qttranslations_file_name=qttranslations-$($(package)_suffix)
-$(package)_qttranslations_sha256_hash=c4bd6db6e426965c6f8824c54e81f68bbd61e2bae1bcadc328c6e81c45902a0d
+$(package)_qttranslations_sha256_hash=dcc1534d247babca1840cb6d0a000671801a341ea352d0535474f86adadaf028
+
 
 $(package)_qttools_file_name=qttools-$($(package)_suffix)
-$(package)_qttools_sha256_hash=d9e06bd19ecc86afba5e95d45a906d1bc1ad579aa70001e36143c1aaf695bdd6
+$(package)_qttools_sha256_hash=e0f845de28c31230dfa428f0190ccb3b91d1fc02481b1f064698ae4ef8376aa1
 
 $(package)_extra_sources  = $($(package)_qttranslations_file_name)
 $(package)_extra_sources += $($(package)_qttools_file_name)
@@ -22,21 +23,33 @@ $(package)_extra_sources += $($(package)_qttools_file_name)
 define $(package)_set_vars
 $(package)_config_opts_release = -release
 $(package)_config_opts_debug   = -debug
-$(package)_config_opts += -opensource -confirm-license
+$(package)_config_opts += -bindir $(build_prefix)/bin
+$(package)_config_opts += -c++11
+$(package)_config_opts += -confirm-license
+$(package)_config_opts += -hostprefix $(build_prefix)
+$(package)_config_opts += -no-alsa
 $(package)_config_opts += -no-audio-backend
-$(package)_config_opts += -no-glib
-$(package)_config_opts += -no-icu
 $(package)_config_opts += -no-cups
-$(package)_config_opts += -no-iconv
-$(package)_config_opts += -no-gif
-$(package)_config_opts += -no-freetype
-$(package)_config_opts += -no-nis
-$(package)_config_opts += -pch
-$(package)_config_opts += -no-qml-debug
-$(package)_config_opts += -nomake examples
-$(package)_config_opts += -nomake tests
+$(package)_config_opts += -no-egl
+$(package)_config_opts += -no-eglfs
 $(package)_config_opts += -no-feature-style-windowsmobile
 $(package)_config_opts += -no-feature-style-windowsce
+$(package)_config_opts += -no-freetype
+$(package)_config_opts += -no-gif
+$(package)_config_opts += -no-glib
+$(package)_config_opts += -no-gstreamer
+$(package)_config_opts += -no-icu
+$(package)_config_opts += -no-iconv
+$(package)_config_opts += -no-kms
+$(package)_config_opts += -no-linuxfb
+$(package)_config_opts += -no-libudev
+$(package)_config_opts += -no-mitshm
+$(package)_config_opts += -no-mtdev
+$(package)_config_opts += -no-nis
+$(package)_config_opts += -no-pulseaudio
+$(package)_config_opts += -no-openvg
+$(package)_config_opts += -no-reduce-relocations
+$(package)_config_opts += -no-qml-debug
 $(package)_config_opts += -no-sql-db2
 $(package)_config_opts += -no-sql-ibase
 $(package)_config_opts += -no-sql-oci
@@ -46,36 +59,25 @@ $(package)_config_opts += -no-sql-odbc
 $(package)_config_opts += -no-sql-psql
 $(package)_config_opts += -no-sql-sqlite
 $(package)_config_opts += -no-sql-sqlite2
-$(package)_config_opts += -prefix $(host_prefix)
-$(package)_config_opts += -hostprefix $(build_prefix)
-$(package)_config_opts += -bindir $(build_prefix)/bin
-$(package)_config_opts += -c++11
+$(package)_config_opts += -no-use-gold-linker
+$(package)_config_opts += -no-xinput2
+$(package)_config_opts += -no-xrender
+$(package)_config_opts += -nomake examples
+$(package)_config_opts += -nomake tests
+$(package)_config_opts += -opensource
 $(package)_config_opts += -openssl-linked
-$(package)_config_opts += -v
-$(package)_config_opts += -static
-$(package)_config_opts += -silent
+$(package)_config_opts += -optimized-qmake
+$(package)_config_opts += -pch
 $(package)_config_opts += -pkg-config
+$(package)_config_opts += -prefix $(host_prefix)
 $(package)_config_opts += -qt-libpng
 $(package)_config_opts += -qt-libjpeg
-$(package)_config_opts += -qt-zlib
 $(package)_config_opts += -qt-pcre
-$(package)_config_opts += -no-pulseaudio
-$(package)_config_opts += -no-openvg
-$(package)_config_opts += -no-xrender
-$(package)_config_opts += -no-alsa
-$(package)_config_opts += -no-mtdev
-$(package)_config_opts += -no-gstreamer
-$(package)_config_opts += -no-mitshm
-$(package)_config_opts += -no-kms
-$(package)_config_opts += -no-reduce-relocations
-$(package)_config_opts += -no-egl
-$(package)_config_opts += -no-eglfs
-$(package)_config_opts += -no-linuxfb
-$(package)_config_opts += -no-xinput2
-$(package)_config_opts += -no-libudev
-$(package)_config_opts += -no-use-gold-linker
+$(package)_config_opts += -qt-zlib
 $(package)_config_opts += -reduce-exports
-$(package)_config_opts += -optimized-qmake
+$(package)_config_opts += -static
+$(package)_config_opts += -silent
+$(package)_config_opts += -v
 
 ifneq ($(build_os),darwin)
 $(package)_config_opts_darwin = -xplatform macx-clang-linux
@@ -119,6 +121,7 @@ define $(package)_extract_cmds
   tar --strip-components=1 -xf $($(package)_source_dir)/$($(package)_qttools_file_name) -C qttools
 endef
 
+
 define $(package)_preprocess_cmds
   sed -i.old "s|updateqm.commands = \$$$$\$$$$LRELEASE|updateqm.commands = $($(package)_extract_dir)/qttools/bin/lrelease|" qttranslations/translations/translations.pro && \
   sed -i.old "s/src_plugins.depends = src_sql src_xml src_network/src_plugins.depends = src_xml src_network/" qtbase/src/src.pro && \
@@ -130,9 +133,10 @@ define $(package)_preprocess_cmds
   cp -f qtbase/mkspecs/macx-clang/Info.plist.app qtbase/mkspecs/macx-clang-linux/ &&\
   cp -f qtbase/mkspecs/macx-clang/qplatformdefs.h qtbase/mkspecs/macx-clang-linux/ &&\
   cp -f $($(package)_patch_dir)/mac-qmake.conf qtbase/mkspecs/macx-clang-linux/qmake.conf && \
-  patch -p1 < $($(package)_patch_dir)/fix-xcb-include-order.patch && \
   patch -p1 < $($(package)_patch_dir)/mingw-uuidof.patch && \
   patch -p1 < $($(package)_patch_dir)/pidlist_absolute.patch && \
+  patch -p1 < $($(package)_patch_dir)/fix-xcb-include-order.patch && \
+  patch -p1 < $($(package)_patch_dir)/fix_qt_pkgconfig.patch && \
   echo "QMAKE_CFLAGS     += $($(package)_cflags) $($(package)_cppflags)" >> qtbase/mkspecs/common/gcc-base.conf && \
   echo "QMAKE_CXXFLAGS   += $($(package)_cxxflags) $($(package)_cppflags)" >> qtbase/mkspecs/common/gcc-base.conf && \
   echo "QMAKE_LFLAGS     += $($(package)_ldflags)" >> qtbase/mkspecs/common/gcc-base.conf && \
diff --git a/depends/patches/qt/fix-xcb-include-order.patch b/depends/patches/qt/fix-xcb-include-order.patch
index ae469ea94b..c7dbebedce 100644
--- a/depends/patches/qt/fix-xcb-include-order.patch
+++ b/depends/patches/qt/fix-xcb-include-order.patch
@@ -1,15 +1,15 @@
 --- old/qtbase/src/plugins/platforms/xcb/xcb_qpa_lib.pro 2015-03-17 02:06:42.705930685 +0000
 +++ new/qtbase/src/plugins/platforms/xcb/xcb_qpa_lib.pro 2015-03-17 02:08:41.281926351 +0000
-@@ -94,8 +94,6 @@
-
+@@ -74,8 +74,6 @@
+ 
  DEFINES += $$QMAKE_DEFINES_XCB
  LIBS += $$QMAKE_LIBS_XCB
 -QMAKE_CXXFLAGS += $$QMAKE_CFLAGS_XCB
 -QMAKE_CFLAGS += $$QMAKE_CFLAGS_XCB
-
+ 
  CONFIG += qpa/genericunixfontdatabase
-
-@@ -104,7 +102,8 @@
+ 
+@@ -87,7 +85,8 @@
  contains(QT_CONFIG, xcb-qt) {
      DEFINES += XCB_USE_RENDER
      XCB_DIR = ../../../3rdparty/xcb
@@ -18,28 +18,32 @@
 +    QMAKE_CXXFLAGS += -I$$XCB_DIR/include -I$$XCB_DIR/sysinclude $$QMAKE_CFLAGS_XCB
      LIBS += -lxcb -L$$OUT_PWD/xcb-static -lxcb-static
  } else {
-     LIBS += -lxcb -lxcb-image -lxcb-icccm -lxcb-sync -lxcb-xfixes -lxcb-shm -lxcb-randr -lxcb-shape -lxcb-keysyms
+     LIBS += -lxcb -lxcb-image -lxcb-icccm -lxcb-sync -lxcb-xfixes -lxcb-shm -lxcb-randr -lxcb-shape -lxcb-keysyms -lxcb-xinerama
 --- old/qtbase/src/plugins/platforms/xcb/xcb-static/xcb-static.pro      2015-03-17 02:07:04.641929383 +0000
 +++ new/qtbase/src/plugins/platforms/xcb/xcb-static/xcb-static.pro      2015-03-17 02:10:15.485922059 +0000
-@@ -8,7 +8,8 @@
-
+@@ -9,7 +9,8 @@
+ 
  XCB_DIR = ../../../../3rdparty/xcb
-
+ 
 -INCLUDEPATH += $$XCB_DIR/include $$XCB_DIR/include/xcb $$XCB_DIR/sysinclude
 +QMAKE_CFLAGS += -I$$XCB_DIR/include -I$$XCB_DIR/include/xcb -I$$XCB_DIR/sysinclude
 +QMAKE_CXXFLAGS += -I$$XCB_DIR/include -I$$XCB_DIR/include/xcb -I$$XCB_DIR/sysinclude
-
+ 
  QMAKE_CXXFLAGS += $$QMAKE_CFLAGS_XCB
  QMAKE_CFLAGS += $$QMAKE_CFLAGS_XCB
 --- old/qtbase/src/plugins/platforms/xcb/xcb-plugin.pro	2015-07-24 16:02:59.530038830 -0400
 +++ new/qtbase/src/plugins/platforms/xcb/xcb-plugin.pro	2015-07-24 16:01:22.106037459 -0400
-@@ -11,3 +11,9 @@
+@@ -6,6 +6,13 @@
      qxcbmain.cpp
  OTHER_FILES += xcb.json README
-
+ 
 +contains(QT_CONFIG, xcb-qt) {
 +    DEFINES += XCB_USE_RENDER
 +    XCB_DIR = ../../../3rdparty/xcb
 +    QMAKE_CFLAGS += -I$$XCB_DIR/include -I$$XCB_DIR/sysinclude $$QMAKE_CFLAGS_XCB
 +    QMAKE_CXXFLAGS += -I$$XCB_DIR/include -I$$XCB_DIR/sysinclude $$QMAKE_CFLAGS_XCB
 +}
++
+ PLUGIN_TYPE = platforms
+ PLUGIN_CLASS_NAME = QXcbIntegrationPlugin
+ !equals(TARGET, $$QT_DEFAULT_QPA_PLUGIN): PLUGIN_EXTENDS = -
diff --git a/depends/patches/qt/fix_qt_pkgconfig.patch b/depends/patches/qt/fix_qt_pkgconfig.patch
new file mode 100644
index 0000000000..3772db4f8b
--- /dev/null
+++ b/depends/patches/qt/fix_qt_pkgconfig.patch
@@ -0,0 +1,11 @@
+--- old/qtbase/mkspecs/features/qt_module.prf 2016-03-17 02:06:42.705930685 +0000
++++ new/qtbase/mkspecs/features/qt_module.prf 2016-03-17 02:06:42.705930685 +0000
+@@ -244,7 +244,7 @@
+ load(qt_targets)
+ 
+ # this builds on top of qt_common
+-!internal_module:!lib_bundle:if(unix|mingw) {
++unix|mingw {
+     CONFIG += create_pc
+     QMAKE_PKGCONFIG_DESTDIR = pkgconfig
+     host_build: \