diff --git a/rtems/config/4.11/rtems-or1k.bset b/rtems/config/4.11/rtems-or1k.bset
index 90c596b..796b4c7 100644
--- a/rtems/config/4.11/rtems-or1k.bset
+++ b/rtems/config/4.11/rtems-or1k.bset
@@ -17,7 +17,7 @@
 4.11/rtems-autotools
 devel/expat-2.1.0-1
 tools/rtems-binutils-2.24-1
-tools/rtems-gcc-4.8.2-newlib-2.1.0-1
+tools/rtems-gcc-4.8.3-newlib-cvs-1
 tools/rtems-gdb-7.7-1
 
 #
@@ -26,15 +26,15 @@ tools/rtems-gdb-7.7-1
 
 #binutils
 %patch add binutils -p1 https://raw.githubusercontent.com/heshamelmatary/or1k-rtems/master/patches/binutils-2.24-or1k-rtems.diff
-
-#newlib
-%patch add newlib -p1 https://raw.githubusercontent.com/heshamelmatary/or1k-rtems/master/patches/newlib-cvs-or1k-rtems-29-4-2014.diff
+%hash md5 binutils-2.24-or1k-rtems.diff 6a1d5ae6e37f6eed421b357a63a612db
 
 #gcc
-%patch add gcc -p1 https://raw.githubusercontent.com/heshamelmatary/or1k-rtems/master/patches/gcc-4.8.2-or1k-rtems-29-4-2014.diff
+%patch add gcc -p1 https://raw.githubusercontent.com/heshamelmatary/or1k-rtems/master/patches/gcc-4.8.3-or1k-rtems-29072014.diff 
+%hash md5 gcc-4.8.3-or1k-rtems-29072014.diff df2555b2dd4de2d78366fabd705f36ac
 
 #gdb
 %patch add gdb -p1 https://raw.githubusercontent.com/heshamelmatary/or1k-rtems/master/patches/gdb-7.7-or1k-rtems.diff
+%hash md5 gdb-7.7-or1k-rtems.diff 7565167e02652ff300dd31015499633e
 
 #
 # or1k specific configurations