diff --git a/dev-embedded/gcc6809/gcc6809-4.6.4.recipe b/dev-embedded/gcc6809/gcc6809-4.6.4.recipe
index ea25bbf65..090dc12de 100644
--- a/dev-embedded/gcc6809/gcc6809-4.6.4.recipe
+++ b/dev-embedded/gcc6809/gcc6809-4.6.4.recipe
@@ -4,7 +4,7 @@ uses the lwtools as a backend. Note that there is no C library provided."
 HOMEPAGE="http://lwtools.projects.l-w.ca"
 SOURCE_URI="ftp://ftp.irisa.fr/pub/mirrors/gcc.gnu.org/gcc/releases/gcc-$portVersion/gcc-$portVersion.tar.bz2"
 CHECKSUM_SHA256="35af16afa0b67af9b8eb15cafb76d2bc5f568540552522f5dc2c88dd45d977e8"
-REVISION="4"
+REVISION="5"
 COPYRIGHT="1988-2013 Free Software Foundation, Inc."
 LICENSE="
 	GNU GPL v2
@@ -34,7 +34,7 @@ REQUIRES="
 	"
 BUILD_REQUIRES="
 	devel:libgmp$secondaryArchSuffix
-	devel:libmpfr$secondaryArchSuffix
+	devel:libmpfr$secondaryArchSuffix >= 6
 	devel:libmpc$secondaryArchSuffix
 	"
 BUILD_PREREQUIRES="