diff --git a/classes/mrw-rev.bbclass b/classes/mrw-rev.bbclass
index 16cabc0..f3aaf1c 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 ?= "457653333a01917ca4297b76110232e64c50da16"
+MRW_TOOLS_SRCREV ?= "bb3c54af21d619a88f5b4fd868ab7f3a74ee221d"