diff --git a/Gemfile.lock b/Gemfile.lock
index ef32334..0f6b8dc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -73,10 +73,10 @@ GEM
     minitest (5.11.3)
     multi_json (1.13.1)
     multipart-post (2.1.1)
-    nio4r (2.4.0)
+    nio4r (2.5.8)
     nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
-    puma (4.0.0)
+    puma (5.5.1)
       nio4r (~> 2.0)
     rack (2.1.4)
     rb-readline (0.5.5)