diff --git a/ChangeLog-6.5.md b/ChangeLog-6.5.md
index 03502077993..e2244331f5c 100644
--- a/ChangeLog-6.5.md
+++ b/ChangeLog-6.5.md
@@ -8,6 +8,7 @@ All notable changes of the PHPUnit 6.5 release series are documented in this fil
 
 * Fixed [#3209](https://github.com/sebastianbergmann/phpunit/issues/3209): `Test::run()` and `TestCase::run()` interface contradiction
 * Fixed [#3218](https://github.com/sebastianbergmann/phpunit/issues/3218): `prefix` attribute for `directory` node missing from `phpunit.xml` XSD
+* Fixed [#3225](https://github.com/sebastianbergmann/phpunit/issues/3225): `coverage-php` missing from `phpunit.xsd`
 
 ## [6.5.9] - 2018-07-03
 
diff --git a/ChangeLog-7.3.md b/ChangeLog-7.3.md
index 63d1ddc30e9..e93eb43fb4b 100644
--- a/ChangeLog-7.3.md
+++ b/ChangeLog-7.3.md
@@ -22,6 +22,7 @@ All notable changes of the PHPUnit 7.3 release series are documented in this fil
 ### Fixed
 
 * Fixed [#3154](https://github.com/sebastianbergmann/phpunit/issues/3154): Global constants as default parameter values are not handled correctly in namespace
+* Fixed [#3225](https://github.com/sebastianbergmann/phpunit/issues/3225): `coverage-php` missing from `phpunit.xsd`
 
 [7.3.0]: https://github.com/sebastianbergmann/phpunit/compare/7.2...7.3.0
 
diff --git a/phpunit.xsd b/phpunit.xsd
index 8e6e347f6ce..ec056d02ec3 100644
--- a/phpunit.xsd
+++ b/phpunit.xsd
@@ -132,6 +132,7 @@
                     <xs:enumeration value="coverage-clover"/>
                     <xs:enumeration value="coverage-crap4j"/>
                     <xs:enumeration value="coverage-xml"/>
+                    <xs:enumeration value="coverage-php"/>
                     <xs:enumeration value="json"/>
                     <xs:enumeration value="plain"/>
                     <xs:enumeration value="tap"/>