diff --git a/classes/mrw-rev.bbclass b/classes/mrw-rev.bbclass
index a4aab01..0b2c933 100644
--- a/classes/mrw-rev.bbclass
+++ b/classes/mrw-rev.bbclass
@@ -2,4 +2,4 @@
 MRW_API_SRCREV ?= "60c8e10cbb11768cd1ba394b35cb1d6627efec42"
 
 MRW_TOOLS_SRC_URI ?= "git://github.com/openbmc/phosphor-mrw-tools"
-MRW_TOOLS_SRCREV ?= "64e084d809cf4409147df6b7391ef94b2f37715c"
+MRW_TOOLS_SRCREV ?= "49b3e649570ecb0d2725777b08af9799de737855"