diff --git a/platform/mellanox/fw.mk b/platform/mellanox/fw.mk
index b8f83644622..a3f04aad381 100644
--- a/platform/mellanox/fw.mk
+++ b/platform/mellanox/fw.mk
@@ -1,6 +1,6 @@
 # mellanox firmware
 
-MLNX_FW_VERSION = 13.2000.1420
+MLNX_FW_VERSION = 13.2000.1634
 MLNX_FW_FILE = fw-SPC-rel-$(subst .,_,$(MLNX_FW_VERSION))-EVB.mfa
 $(MLNX_FW_FILE)_URL = $(MLNX_SDK_BASE_URL)/$(MLNX_FW_FILE)
 SONIC_ONLINE_FILES += $(MLNX_FW_FILE)
diff --git a/platform/mellanox/sdk.mk b/platform/mellanox/sdk.mk
index 7a767bdd5e3..03a2d63cbad 100644
--- a/platform/mellanox/sdk.mk
+++ b/platform/mellanox/sdk.mk
@@ -1,5 +1,5 @@
-MLNX_SDK_BASE_URL = https://github.com/Mellanox/SAI-Implementation/raw/8c9e1ab89529967a2b1c567952c355290508308d/sdk
-MLNX_SDK_VERSION = 4.3.1420
+MLNX_SDK_BASE_URL = https://github.com/Mellanox/SAI-Implementation/raw/310eb922e133ecb3243e10efa4440fabe0ca73c7/sdk
+MLNX_SDK_VERSION = 4.3.1634
 MLNX_SDK_RDEBS += $(APPLIBS) $(IPROUTE2_MLNX) $(SX_ACL_RM) $(SX_COMPLIB) \
 		  $(SX_EXAMPLES) $(SX_GEN_UTILS) $(SX_SCEW) $(SX_SDN_HAL) \
 		  $(SXD_LIBS) $(TESTX) $(WJH_LIBS)