diff --git a/Gemfile.lock b/Gemfile.lock
index bc42ed6..4f26d41 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -115,11 +115,11 @@ GEM
     minitest (5.14.2)
     msgpack (1.3.3)
     mysql2 (0.5.3)
-    nio4r (2.5.3)
+    nio4r (2.5.8)
     nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     public_suffix (4.0.5)
-    puma (4.3.5)
+    puma (4.3.12)
       nio4r (~> 2.0)
     rack (2.2.3)
     rack-proxy (0.6.5)