diff --git a/NEWS.md b/NEWS.md
index 7c2ee8db5d..9bbc3c4277 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -42,6 +42,7 @@ Note: We're only listing outstanding class updates.
     * io-console 0.5.11
     * reline 0.3.1
 *   The following bundled gems are updated.
+    * net-imap 0.2.3
     * typeprof 0.21.2
 *   The following default gems are now bundled gems.
 
diff --git a/gems/bundled_gems b/gems/bundled_gems
index 1877975074..1114d28165 100644
--- a/gems/bundled_gems
+++ b/gems/bundled_gems
@@ -6,7 +6,7 @@ test-unit 3.5.3 https://github.com/test-unit/test-unit 3.5.3
 rexml 3.2.5 https://github.com/ruby/rexml
 rss 0.2.9 https://github.com/ruby/rss 0.2.9
 net-ftp 0.1.3 https://github.com/ruby/net-ftp
-net-imap 0.2.2 https://github.com/ruby/net-imap
+net-imap 0.2.3 https://github.com/ruby/net-imap
 net-pop 0.1.1 https://github.com/ruby/net-pop
 net-smtp 0.3.1 https://github.com/ruby/net-smtp
 matrix 0.4.2 https://github.com/ruby/matrix