diff --git a/Gemfile.lock b/Gemfile.lock
index 3d67b46..ec9a040 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -141,7 +141,7 @@ GEM
     mini_portile2 (2.5.1)
     minitest (5.14.4)
     msgpack (1.4.2)
-    nio4r (2.5.7)
+    nio4r (2.5.8)
     nokogiri (1.11.4)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
@@ -155,7 +155,7 @@ GEM
       process-group
     process-terminal (0.2.0)
       ffi
-    puma (5.3.1)
+    puma (5.6.4)
       nio4r (~> 2.0)
     racc (1.5.2)
     rack (2.2.3)