diff --git a/NEWS.md b/NEWS.md
index 102b0a0d19..8770ffeff3 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -113,6 +113,7 @@ The following default gem is added.
 The following default gems are updated.
 
 * RubyGems 3.5.0.dev
+* base64 0.2.0
 * benchmark 0.3.0
 * bigdecimal 3.1.5
 * bundler 2.5.0.dev