diff --git a/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb b/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb
index 8a9543da2b..7fb3c7e6c8 100644
--- a/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb
@@ -52,23 +52,23 @@ chip soc/amd/cezanne
 	register "stt_control" = "1"
 	register "stt_pcb_sensor_count" = "2"
 	register "stt_min_limit" = "0"
-	register "stt_m1" = "0x0319"
-	register "stt_m2" = "0x01A0"
+	register "stt_m1" = "0x03A0"
+	register "stt_m2" = "0xFFC9"
 	register "stt_m3" = "0"
 	register "stt_m4" = "0"
 	register "stt_m5" = "0"
 	register "stt_m6" = "0"
-	register "stt_c_apu" = "0xE99F"
+	register "stt_c_apu" = "0x0901"
 	register "stt_c_gpu" = "0"
 	register "stt_c_hs2" = "0"
-	register "stt_alpha_apu" = "0xCCD"
+	register "stt_alpha_apu" = "0x199A"
 	register "stt_alpha_gpu" = "0"
 	register "stt_alpha_hs2" = "0"
 	register "stt_skin_temp_apu" = "0x2D00"
 	register "stt_skin_temp_gpu" = "0"
 	register "stt_skin_temp_hs2" = "0"
-	register "stt_error_coeff" = "0xD"
-	register "stt_error_rate_coefficient" = "0x8F6"
+	register "stt_error_coeff" = "0x21"
+	register "stt_error_rate_coefficient" = "0xCCD"
 
 	register "system_configuration" = "2"