diff --git a/CHANGELOG.md b/CHANGELOG.md
index 76f69b1..e7ce12b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,7 @@
 
 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
 
 ### Changed
 
diff --git a/include/libpldm/oem/ibm/libpldm/file_io.h b/include/libpldm/oem/ibm/libpldm/file_io.h
index cb37f6e..c512363 100644
--- a/include/libpldm/oem/ibm/libpldm/file_io.h
+++ b/include/libpldm/oem/ibm/libpldm/file_io.h
@@ -72,6 +72,7 @@
 	PLDM_FILE_TYPE_PCIE_TOPOLOGY = 0x14,
 	PLDM_FILE_TYPE_CABLE_INFO = 0x15,
 	PLDM_FILE_TYPE_PSPD_VPD_PDD_KEYWORD = 0x16,
+	PLDM_FILE_TYPE_CHAP_DATA = 0x17,
 };
 
 #define PLDM_RW_FILE_MEM_REQ_BYTES			  20