diff --git a/Toolchain-mingw32.cmake b/Toolchain-mingw32.cmake
index 9a575d0..25f70d0 100644
--- a/Toolchain-mingw32.cmake
+++ b/Toolchain-mingw32.cmake
@@ -22,7 +22,7 @@ SET(QT_LIBRARY_DIR ${CMAKE_FIND_ROOT_PATH}/lib)
 SET(CMAKE_RC_COMPILER /usr/bin/i686-pc-mingw32-windres)
 
 # override boost library suffix which defaults to -mgw
-SET(Boost_COMPILER -gcc46)
+SET(Boost_COMPILER -gcc47)
 
 # These are needed for compiling lapack (RHBZ #753906)
 SET(CMAKE_Fortran_COMPILER /usr/bin/i686-pc-mingw32-gfortran)
diff --git a/mingw32-filesystem.spec b/mingw32-filesystem.spec
index 3773eb9..940476e 100644
--- a/mingw32-filesystem.spec
+++ b/mingw32-filesystem.spec
@@ -2,7 +2,7 @@
 
 Name:           mingw32-filesystem
 Version:        69
-Release:        10%{?dist}
+Release:        11%{?dist}
 Summary:        MinGW base filesystem and environment
 
 Group:          Development/Libraries
@@ -191,6 +191,9 @@ install -m 644 %{SOURCE8} $RPM_BUILD_ROOT%{_datadir}/mingw32
 
 
 %changelog
+* Tue Jan 10 2012 Erik van Pienbroek <epienbro@fedoraproject.org> - 69-11
+- Set Boost_COMPILER to -gcc47 in cmake toolchain file
+
 * Tue Nov 22 2011 Erik van Pienbroek <epienbro@fedoraproject.org> - 69-10
 - Fixed a small regression introduced by the previous release which caused an
   FTBFS for mingw32-matahari as indicated on the fedora-mingw mailing list