diff --git a/rtems/config/6/rtems-microblaze.bset b/rtems/config/6/rtems-microblaze.bset
index 1f983b8..9aeeab3 100644
--- a/rtems/config/6/rtems-microblaze.bset
+++ b/rtems/config/6/rtems-microblaze.bset
@@ -11,7 +11,7 @@
 # GDB needs expat so it needs to be built before.
 #
 
-devel/expat-2.1.0-1
+devel/expat-2.4.8-1
 devel/gmp-6.1.0
 tools/rtems-gdb-11.2
 
diff --git a/rtems/config/7/rtems-default.bset b/rtems/config/7/rtems-default.bset
index 83adf89..bae7a7f 100644
--- a/rtems/config/7/rtems-default.bset
+++ b/rtems/config/7/rtems-default.bset
@@ -7,7 +7,7 @@
 
 devel/dtc-1.6.1-1
 
-devel/expat-2.1.0-1
+devel/expat-2.4.8-1
 devel/gmp-6.1.0
 tools/rtems-gdb-head