diff --git a/NEWS.md b/NEWS.md
index c0b23c51b7..36dd38d713 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -70,11 +70,11 @@ The following bundled gems are updated.
 * minitest 5.23.1
 * rake 13.2.1
 * test-unit 3.6.2
-* rexml 3.2.8
-* net-ftp 0.3.5
-* net-imap 0.4.12
+* rexml 3.3.0
+* net-ftp 0.3.6
+* net-imap 0.4.13
 * net-smtp 0.5.0
-* rbs 3.4.4
+* rbs 3.5.1
 * typeprof 0.21.11
 * debug 1.9.2
 * racc 1.8.0
diff --git a/gems/bundled_gems b/gems/bundled_gems
index cd33c96986..a6480d3b5a 100644
--- a/gems/bundled_gems
+++ b/gems/bundled_gems
@@ -10,10 +10,10 @@ minitest        5.23.1  https://github.com/minitest/minitest
 power_assert    2.0.3   https://github.com/ruby/power_assert 84e85124c5014a139af39161d484156cfe87a9ed
 rake            13.2.1  https://github.com/ruby/rake
 test-unit       3.6.2   https://github.com/test-unit/test-unit
-rexml           3.2.8   https://github.com/ruby/rexml
+rexml           3.3.0   https://github.com/ruby/rexml
 rss             0.3.0   https://github.com/ruby/rss
 net-ftp         0.3.6   https://github.com/ruby/net-ftp
-net-imap        0.4.12  https://github.com/ruby/net-imap
+net-imap        0.4.13  https://github.com/ruby/net-imap
 net-pop         0.1.2   https://github.com/ruby/net-pop
 net-smtp        0.5.0   https://github.com/ruby/net-smtp
 matrix          0.4.2   https://github.com/ruby/matrix