diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7e76fb3..d273229 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,7 @@
 
 1. dsp: firmware_update: Iterators for downstream device descriptors
 2. platform: add PLDM Command numbers
+3. base: add PLDM Command numbers
 
 ### Changed
 
diff --git a/include/libpldm/base.h b/include/libpldm/base.h
index 0904803..5b31d41 100644
--- a/include/libpldm/base.h
+++ b/include/libpldm/base.h
@@ -37,7 +37,11 @@
 	PLDM_GET_PLDM_VERSION = 0x3,
 	PLDM_GET_PLDM_TYPES = 0x4,
 	PLDM_GET_PLDM_COMMANDS = 0x5,
+	PLDM_SELECT_PLDM_VERSION = 0x6,
+	PLDM_NEGOTIATE_TRANSFER_PARAMETERS = 0x7,
+	PLDM_MULTIPART_SEND = 0x8,
 	PLDM_MULTIPART_RECEIVE = 0x9,
+	PLDM_GET_MULTIPART_TRANSFER_SUPPORT = 0xa,
 };
 
 /** @brief PLDM base codes