diff --git a/NEWS.md b/NEWS.md
index 8b6d5ef4e6..9156ef7a68 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -260,7 +260,7 @@ Note: We're only listing outstanding class updates.
     * net-ftp 0.2.0
     * net-imap 0.3.1
     * net-pop 0.1.2
-    * net-smtp 0.3.2
+    * net-smtp 0.3.3
     * rbs 2.7.0
     * typeprof 0.21.3
     * debug 1.6.3
diff --git a/gems/bundled_gems b/gems/bundled_gems
index e01e712250..b97fa03433 100644
--- a/gems/bundled_gems
+++ b/gems/bundled_gems
@@ -8,7 +8,7 @@ rss             0.2.9   https://github.com/ruby/rss
 net-ftp         0.2.0   https://github.com/ruby/net-ftp
 net-imap        0.3.1   https://github.com/ruby/net-imap
 net-pop         0.1.2   https://github.com/ruby/net-pop
-net-smtp        0.3.2   https://github.com/ruby/net-smtp
+net-smtp        0.3.3   https://github.com/ruby/net-smtp
 matrix          0.4.2   https://github.com/ruby/matrix
 prime           0.1.2   https://github.com/ruby/prime
 rbs             2.7.0   https://github.com/ruby/rbs