diff --git a/Gemfile.lock b/Gemfile.lock
index 12f8c19..fd6a34e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -108,7 +108,7 @@ GEM
     minitest (5.11.3)
     msgpack (1.3.1)
     netrc (0.11.0)
-    nio4r (2.4.0)
+    nio4r (2.5.8)
     nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
@@ -124,7 +124,7 @@ GEM
       pry (~> 0.10)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
-    puma (4.1.0)
+    puma (4.3.12)
       nio4r (~> 2.0)
     rack (2.0.7)
     rack-proxy (0.6.5)