diff --git a/Gemfile.lock b/Gemfile.lock
index a6cb4f5..f1c51c6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -42,7 +42,7 @@ GEM
     minitest (5.18.0)
     mustermann (3.0.0)
       ruby2_keywords (~> 0.0.1)
-    nio4r (2.5.8)
+    nio4r (2.5.9)
     nokogiri (1.14.3)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
@@ -50,7 +50,7 @@ GEM
     parallel (1.22.1)
     parser (3.1.2.1)
       ast (~> 2.4.1)
-    puma (6.0.0)
+    puma (6.3.1)
       nio4r (~> 2.0)
     racc (1.6.2)
     rack (2.2.6.4)