diff --git a/classes/mrw-rev.bbclass b/classes/mrw-rev.bbclass
index 436cd80..8e41d96 100644
--- a/classes/mrw-rev.bbclass
+++ b/classes/mrw-rev.bbclass
@@ -2,4 +2,4 @@
 MRW_API_SRCREV ?= "31155941629988f0adcf765e7e7dd3af34fb1214"
 
 MRW_TOOLS_SRC_URI ?= "git://github.com/openbmc/phosphor-mrw-tools"
-MRW_TOOLS_SRCREV ?= "854e26a36cde5f4131f2c673b716509cbdd4f298"
+MRW_TOOLS_SRCREV ?= "847b140737aa8f11e96a42e237c46a8ab563b99b"