diff --git a/tc_utils.sh b/tc_utils.sh
index 809c79e..c4ce4a1 100644
--- a/tc_utils.sh
+++ b/tc_utils.sh
@@ -24,7 +24,7 @@
 # AP bl1 0x00 is mapped to 0x70000000 in RSS memory map
 ap_bl1_flash_load_addr=0x70000000
 ap_bl1_flash_size=0x20000
-rss_revision="4ab7a20"
+rss_revision="4ab7a20d"
 
 # Hafnium build repo containing Secure hafnium binaries
 spm_secure_out_dir=secure_tc_clang