diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4de2de0..8284317 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,6 +22,7 @@
 1. base: Provide pldm_msg_hdr_correlate_response()
 2. transport: af-mctp: Add pldm_transport_af_mctp_bind()
 3. oem: ibm: Add chapdata file type support
+4. base: Added PLDM_SMBIOS & PLDM_RDE message types
 
 ### Changed
 
diff --git a/include/libpldm/base.h b/include/libpldm/base.h
index 97c3578..7c8ef04 100644
--- a/include/libpldm/base.h
+++ b/include/libpldm/base.h
@@ -19,10 +19,12 @@
  */
 enum pldm_supported_types {
 	PLDM_BASE = 0x00,
+	PLDM_SMBIOS = 0x01,
 	PLDM_PLATFORM = 0x02,
 	PLDM_BIOS = 0x03,
 	PLDM_FRU = 0x04,
 	PLDM_FWUP = 0x05,
+	PLDM_RDE = 0x06,
 	PLDM_OEM = 0x3F,
 };