diff --git a/NEWS.md b/NEWS.md
index 47bf71b561..5e97e82552 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -122,7 +122,7 @@ Note: We're only listing outstanding class updates.
     * io-wait 0.2.2.pre1
     * ipaddr 1.2.4
     * logger 1.5.1
-    * ostruct 0.5.4
+    * ostruct 0.5.5
     * reline 0.3.1
     * securerandom 0.2.0
 *   The following bundled gems are updated.