Fix #667
diff --git a/release-notes/VERSION b/release-notes/VERSION
index c4b03db..366da68 100644
--- a/release-notes/VERSION
+++ b/release-notes/VERSION
@@ -4,6 +4,10 @@
 === Releases ===
 ------------------------------------------------------------------------
 
+2.5.1 (not yet released)
+
+#667: Problem with bogus conflict between single-arg-String vs `CharSequence` constructor
+
 2.5.0 (01-Jan-2015)
 
 #47: Support `@JsonValue` for (Map) key serialization