diff --git a/classes/mrw-rev.bbclass b/classes/mrw-rev.bbclass
index 9e307d2..0460278 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 ?= "2efdcba74bc5d4be594253534069c1ea3d84aea0"
+MRW_TOOLS_SRCREV ?= "3706646aa8cc16897b3af96969eb133f9ba0d2f8"