diff --git a/build/build.xml b/build/build.xml
index 3a2a66b113..c1f81fb947 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -273,6 +273,10 @@
+
+
+
+
@@ -284,6 +288,91 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/phpBB/composer.json b/phpBB/composer.json
index 3cf83a8fe9..2941293e81 100644
--- a/phpBB/composer.json
+++ b/phpBB/composer.json
@@ -1,4 +1,8 @@
{
+ "_readme": [
+ "You MUST update the clean-vendor-dir target in build/build.xml",
+ "accordingly when adding or upgrading dependencies."
+ ],
"minimum-stability": "beta",
"require": {
"lusitanian/oauth": "0.2.*",