diff --git a/classes/mrw-rev.bbclass b/classes/mrw-rev.bbclass
index 6e120af..6469335 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 ?= "5882591626c1f094cf4617c8d50c327cf4672d72"
+MRW_TOOLS_SRCREV ?= "123437f5390acfd79dcad743b8e6aade94393fc7"