diff --git a/platform/broadcom/sai.mk b/platform/broadcom/sai.mk
index 444df18c58..69254a5ac3 100644
--- a/platform/broadcom/sai.mk
+++ b/platform/broadcom/sai.mk
@@ -1,5 +1,5 @@
-LIBSAIBCM_XGS_VERSION = 7.1.17.4
-LIBSAIBCM_DNX_VERSION = 7.1.17.4
+LIBSAIBCM_XGS_VERSION = 7.1.21.4
+LIBSAIBCM_DNX_VERSION = 7.1.21.4
 LIBSAIBCM_BRANCH_NAME = REL_7.0
 LIBSAIBCM_XGS_URL_PREFIX = "https://sonicstorage.blob.core.windows.net/public/sai/bcmsai/$(LIBSAIBCM_BRANCH_NAME)/$(LIBSAIBCM_XGS_VERSION)"
 LIBSAIBCM_DNX_URL_PREFIX = "https://sonicstorage.blob.core.windows.net/public/sai/bcmsai/$(LIBSAIBCM_BRANCH_NAME)/$(LIBSAIBCM_DNX_VERSION)"