diff --git a/Gemfile.lock b/Gemfile.lock
index 4ebef12..043a648 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -166,14 +166,14 @@ GEM
     multi_json (1.14.1)
     multipart-post (2.1.1)
     mysql2 (0.5.3)
-    nio4r (2.5.4)
+    nio4r (2.5.8)
     nokogiri (1.11.1)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
     os (1.1.0)
     popper_js (1.16.0)
     public_suffix (4.0.4)
-    puma (4.3.5)
+    puma (4.3.12)
       nio4r (~> 2.0)
     racc (1.5.2)
     rack (2.2.3)