diff --git a/NEWS.md b/NEWS.md
index 6eb627020f..a94e48c57c 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -29,6 +29,7 @@ The following default gems are updated.
 * io-console 0.7.2
 * irb 1.11.1
 * net-http 0.4.1
+* prism 0.20.0
 * reline 0.4.2
 * stringio 3.1.1
 * strscan 3.0.9