1 files changed, 1 insertions, 0 deletions
diff --git a/NEWS.md b/NEWS.md
index 6e9b392db4..b2ad9e7ee5 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -403,6 +403,7 @@ Note: We're only listing outstanding class updates.
     * optparse 0.3.0
     * ostruct 0.5.5
     * pathname 0.2.1
+    * pp 0.4.0
     * psych 5.0.0.dev
     * racc 1.6.1
     * rdoc 6.5.0