diff --git a/Gemfile.lock b/Gemfile.lock
index cb59fa3..c9dc35d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,14 +19,14 @@ GEM
     multi_json (1.15.0)
     mustermann (3.0.0)
       ruby2_keywords (~> 0.0.1)
-    nio4r (2.5.9)
+    nio4r (2.7.0)
     nokogiri (1.14.3)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     parallel (1.22.1)
     parser (3.2.0.0)
       ast (~> 2.4.1)
-    puma (6.3.1)
+    puma (6.4.2)
       nio4r (~> 2.0)
     racc (1.6.2)
     rack (2.2.6.4)