diff --git a/classes/mrw-rev.bbclass b/classes/mrw-rev.bbclass
index 074be67..f17afca 100644
--- a/classes/mrw-rev.bbclass
+++ b/classes/mrw-rev.bbclass
@@ -2,4 +2,4 @@
 MRW_API_SRCREV ?= "f98655bb1ad441d1a0036d2208ca5b6fda989a66"
 
 MRW_TOOLS_SRC_URI ?= "git://github.com/openbmc/phosphor-mrw-tools"
-MRW_TOOLS_SRCREV ?= "18d5f5769def0e2ed070011d25c73aa9a264e3eb"
+MRW_TOOLS_SRCREV ?= "2efdcba74bc5d4be594253534069c1ea3d84aea0"