diff --git a/.licensed.yml b/.licensed.yml
index 044e732fad2..75e581cdb55 100644
--- a/.licensed.yml
+++ b/.licensed.yml
@@ -51,6 +51,7 @@ reviewed:
     - net-imap # Ruby (bundled gem)
     - net-pop # Ruby (bundled gem)
     - net-smtp # Ruby (bundled gem)
+    - nio4r # MIT + BSD
     - omniauth # MIT
     - pg # Ruby
     - r2 # Apache-2.0 (Twitter)
diff --git a/Gemfile.lock b/Gemfile.lock
index de9e129b85d..a26286a46c8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -256,7 +256,7 @@ GEM
       timeout
     net-smtp (0.3.3)
       net-protocol
-    nio4r (2.5.8)
+    nio4r (2.5.9)
     nokogiri (1.14.2)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)