diff --git a/src/mainboard/google/rex/variants/deku/memory/Makefile.mk b/src/mainboard/google/rex/variants/deku/memory/Makefile.mk
index 9620b9c463..e7518edee8 100644
--- a/src/mainboard/google/rex/variants/deku/memory/Makefile.mk
+++ b/src/mainboard/google/rex/variants/deku/memory/Makefile.mk
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 # This is an auto-generated file. Do not edit!!
 # Generated by:
-# /tmp/go-build2560620659/b001/exe/part_id_gen MTL lp5 src/mainboard/google/rex/variants/deku/memory src/mainboard/google/rex/variants/deku/memory/mem_parts_used.txt
+# ./util/spd_tools/bin/part_id_gen MTL lp5 src/mainboard/google/rex/variants/deku/memory src/mainboard/google/rex/variants/deku/memory/mem_parts_used.txt
 
 SPD_SOURCES =
-SPD_SOURCES += spd/lp5/set-0/spd-8.hex      # ID = 0(0b0000)  Parts = MT62F2G32D4DS-026 WT:B
+SPD_SOURCES += spd/lp5/set-0/spd-8.hex      # ID = 0(0b0000)  Parts = MT62F2G32D4DS-026 WT:B, H58G66BK7BX067
diff --git a/src/mainboard/google/rex/variants/deku/memory/dram_id.generated.txt b/src/mainboard/google/rex/variants/deku/memory/dram_id.generated.txt
index 21b3f6920c..0e3a06a976 100644
--- a/src/mainboard/google/rex/variants/deku/memory/dram_id.generated.txt
+++ b/src/mainboard/google/rex/variants/deku/memory/dram_id.generated.txt
@@ -1,7 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 # This is an auto-generated file. Do not edit!!
 # Generated by:
-# /tmp/go-build2560620659/b001/exe/part_id_gen MTL lp5 src/mainboard/google/rex/variants/deku/memory src/mainboard/google/rex/variants/deku/memory/mem_parts_used.txt
+# ./util/spd_tools/bin/part_id_gen MTL lp5 src/mainboard/google/rex/variants/deku/memory src/mainboard/google/rex/variants/deku/memory/mem_parts_used.txt
 
 DRAM Part Name                 ID to assign
 MT62F2G32D4DS-026 WT:B         0 (0000)
+H58G66BK7BX067                 0 (0000)
diff --git a/src/mainboard/google/rex/variants/deku/memory/mem_parts_used.txt b/src/mainboard/google/rex/variants/deku/memory/mem_parts_used.txt
index 53ec721d13..0871f3cde3 100644
--- a/src/mainboard/google/rex/variants/deku/memory/mem_parts_used.txt
+++ b/src/mainboard/google/rex/variants/deku/memory/mem_parts_used.txt
@@ -10,3 +10,4 @@
 
 # Part Name
 MT62F2G32D4DS-026 WT:B
+H58G66BK7BX067