diff --git a/Gemfile.lock b/Gemfile.lock
index 75d9565..af03a29 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -79,12 +79,12 @@ GEM
     mini_portile2 (2.5.1)
     minitest (5.10.3)
     multi_json (1.12.2)
-    nio4r (2.1.0)
+    nio4r (2.5.8)
     nokogiri (1.11.4)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
     pg (0.20.0)
-    puma (4.3.8)
+    puma (4.3.11)
       nio4r (~> 2.0)
     racc (1.5.2)
     rack (2.2.3)