diff --git a/reference/com/constants.xml b/reference/com/constants.xml
index 796316b6cb..954d6b35fe 100644
--- a/reference/com/constants.xml
+++ b/reference/com/constants.xml
@@ -149,6 +149,17 @@
      </entry>
      <entry></entry>
     </row>
+    <row xml:id="constant.vt-i8">
+     <entry>
+      <constant>VT_I8</constant>
+      (<type>integer</type>)
+     </entry>
+     <entry>3</entry>
+     <entry>
+      8-byte signed integer value.
+     </entry>
+     <entry>Available as of PHP 7.0.0 (x64 only).</entry>
+    </row>
     <row xml:id="constant.vt-r4">
      <entry>
       <constant>VT_R4</constant>
@@ -310,6 +321,17 @@
      </entry>
      <entry></entry>
     </row>
+    <row xml:id="constant.vt-ui8">
+     <entry>
+      <constant>VT_UI8</constant>
+      (<type>integer</type>)
+     </entry>
+     <entry>19</entry>
+     <entry>
+      8-byte unsigned integer.
+     </entry>
+     <entry>Available as of PHP 7.0.0 (x64 only).</entry>
+    </row>
     <row xml:id="constant.vt-int">
      <entry>
       <constant>VT_INT</constant>