diff --git a/libtorrent-rasterbar.changes b/libtorrent-rasterbar.changes
index f01f929..8664bce 100644
--- a/libtorrent-rasterbar.changes
+++ b/libtorrent-rasterbar.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Mon Jun 20 12:24:04 UTC 2016 - aloisio@gmx.com
+
+- Updated version requirement for boost-devel
+  and added -std=c++11 in CXXFLAGS to address
+  a build problem with qbittorrent 3.3.5
+
 -------------------------------------------------------------------
 Mon Jun  6 10:18:43 UTC 2016 - sor.alexei@meowr.ru
 
diff --git a/libtorrent-rasterbar.spec b/libtorrent-rasterbar.spec
index 57ba5d0..06c7cb2 100644
--- a/libtorrent-rasterbar.spec
+++ b/libtorrent-rasterbar.spec
@@ -32,7 +32,7 @@ Source:         https://github.com/arvidn/%{_name}/releases/download/%{_name}-%{
 Patch0:         %{name}-1.1.0-remove-x86-only-flag.patch
 # PATCH-FIX-UPSTREAM libtorrent-rasterbar-1.1.0-fix-invalid-input-crash.patch boo#983228 -- Fix crash on invalid input in http_parser (commit 3624ce6).
 Patch1:         %{name}-1.1.0-fix-invalid-input-crash.patch
-BuildRequires:  boost-devel >= 1.47
+BuildRequires:  boost-devel >= 1.54
 BuildRequires:  gcc-c++
 BuildRequires:  pkg-config
 BuildRequires:  python-devel
@@ -135,7 +135,7 @@ Documentation for the libtorrent-rasterbar package.
 
 %build
 export CFLAGS="%{optflags} -fno-strict-aliasing"
-export CXXFLAGS="$CFLAGS"
+export CXXFLAGS="$CFLAGS -std=c++11"
 export LDFLAGS="%{optflags} -lrt"
 
 %global _configure ../configure