diff --git a/test/lit.cfg b/test/lit.cfg
index 1fc6059..7bc9620 100644
--- a/test/lit.cfg
+++ b/test/lit.cfg
@@ -259,3 +259,7 @@
 
 if llc_props['enable_assertions']:
     config.available_features.add('asserts')
+
+if lit.util.which('xmllint'):
+    config.available_features.add('xmllint')
+