diff --git a/Gemfile.lock b/Gemfile.lock
index b616d2a..0d6e97a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -95,13 +95,13 @@ GEM
     minitest (5.11.3)
     multi_json (1.13.1)
     mysql2 (0.4.10)
-    nio4r (2.3.1)
+    nio4r (2.5.8)
     nokogiri (1.11.4)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
     orm_adapter (0.5.0)
     public_suffix (4.0.6)
-    puma (4.3.8)
+    puma (4.3.12)
       nio4r (~> 2.0)
     racc (1.5.2)
     rack (2.0.6)