diff --git a/classes/mrw-rev.bbclass b/classes/mrw-rev.bbclass
index 589780f..3beca22 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 ?= "1c7a8890b74ba1fb53a0f5010600482f6741127d"
+MRW_TOOLS_SRCREV ?= "37c2e96a08c3f58f5fa525f859436d3e9762cce7"