diff --git a/Gemfile.lock b/Gemfile.lock
index d8a3d89..7fccd70 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -74,11 +74,11 @@ GEM
     mini_portile2 (2.5.1)
     minitest (5.11.3)
     msgpack (1.2.10)
-    nio4r (2.3.1)
+    nio4r (2.5.8)
     nokogiri (1.11.4)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
-    puma (4.3.8)
+    puma (4.3.12)
       nio4r (~> 2.0)
     racc (1.5.2)
     rack (2.2.6.3)