Fix #1872
diff --git a/release-notes/VERSION b/release-notes/VERSION
index caf4073..b0becca 100644
--- a/release-notes/VERSION
+++ b/release-notes/VERSION
@@ -3,6 +3,12 @@
=== Releases ===
------------------------------------------------------------------------
+2.8.11.1 (not yet released)
+
+#1872 `NullPointerException` in `SubTypeValidator.validateSubType` when
+ validating Spring interface
+ (reported by Rob W)
+
2.8.11 (24-Dec-2017)
#1604: Nested type arguments doesn't work with polymorphic types