diff --git a/platform/broadcom/sai-legacy-th.mk b/platform/broadcom/sai-legacy-th.mk
index ed6c1243c5d..bd40f7691f0 100644
--- a/platform/broadcom/sai-legacy-th.mk
+++ b/platform/broadcom/sai-legacy-th.mk
@@ -1,6 +1,6 @@
 # Broadcom LEGACY-TH SAI definitions
-LIBSAIBCM_LEGACY_TH_VERSION = 13.2.1.100
-LIBSAIBCM_LEGACY_TH_BRANCH_NAME = SAI_13.2.1_compat_OCP1.17.1
+LIBSAIBCM_LEGACY_TH_VERSION = 13.2.1.120
+LIBSAIBCM_LEGACY_TH_BRANCH_NAME = SAI_13.2.1_compat_OCP1.18.1
 
 LIBSAIBCM_LEGACY_TH_URL_PREFIX = "https://packages.trafficmanager.net/public/sai/sai-broadcom/$(LIBSAIBCM_LEGACY_TH_BRANCH_NAME)/$(LIBSAIBCM_LEGACY_TH_VERSION)/xgs"