diff --git a/RKTRUST/RV1126TOS.ini b/RKTRUST/RV1126TOS.ini
index ec7c2202..5c4ddb73 100644
--- a/RKTRUST/RV1126TOS.ini
+++ b/RKTRUST/RV1126TOS.ini
@@ -2,3 +2,5 @@
 TOSTA=bin/rv11/rv1126_tee_ta_v2.00.bin
 [MCU]
 MCU=bin/rv11/rv1126_riscv_v1.03.bin,0x208000,disabled
+[COMPRESSION]
+COMPRESSION=gzip