diff --git a/NEWS.md b/NEWS.md
index b4a21f1929..e56a0cb795 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -94,6 +94,7 @@ The following default gems are updated.
 * net-http 0.5.0
 * open-uri 0.5.0
 * optparse 0.5.0
+* ostruct 0.6.1
 * pathname 0.4.0
 * prism 1.0.0
 * psych 5.2.0.beta3