diff --git a/MdePkg/Include/IndustryStandard/SmBios.h b/MdePkg/Include/IndustryStandard/SmBios.h
index 020733b777..561a2c9a7e 100644
--- a/MdePkg/Include/IndustryStandard/SmBios.h
+++ b/MdePkg/Include/IndustryStandard/SmBios.h
@@ -1020,6 +1020,10 @@ typedef struct {
   // Add for smbios 3.6
   //
   UINT16                 ThreadEnabled;
+  //
+  // Add for smbios 3.8
+  //
+  SMBIOS_TABLE_STRING    SocketType;
 } SMBIOS_TABLE_TYPE4;
 
 ///