Update Makefile
diff --git a/Makefile b/Makefile
index 84dd315..64cd8e5 100644
--- a/Makefile
+++ b/Makefile
@@ -22,7 +22,7 @@
 # Install lite version of caravel, (1): caravel-lite, (0): caravel
 CARAVEL_LITE?=1
 
-MPW_TAG ?= mpw-5c
+MPW_TAG ?= mpw-6a
 
 ifeq ($(CARAVEL_LITE),1)
 	CARAVEL_NAME := caravel-lite