diff --git a/Gemfile.lock b/Gemfile.lock
index ca725a4..e894afe 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -221,7 +221,7 @@ GEM
     msgpack (1.3.1)
     multi_xml (0.6.0)
     multipart-post (2.1.1)
-    nio4r (2.5.2)
+    nio4r (2.5.8)
     nokogiri (1.11.5)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
@@ -239,7 +239,7 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (4.0.6)
-    puma (4.3.8)
+    puma (4.3.11)
       nio4r (~> 2.0)
     racc (1.5.2)
     rack (2.2.3)