diff --git a/Gemfile.lock b/Gemfile.lock
index d74abb5..ad580a4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -141,7 +141,7 @@ GEM
       ruby2_keywords (~> 0.0.1)
     mustermann-grape (1.1.0)
       mustermann (>= 1.0.0)
-    nio4r (2.7.3)
+    nio4r (2.7.4)
     nokogiri (1.16.7)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
@@ -163,7 +163,7 @@ GEM
     psych (5.1.2)
       stringio
     public_suffix (6.0.1)
-    puma (6.4.3)
+    puma (6.5.0)
       nio4r (~> 2.0)
     racc (1.8.1)
     rack (3.1.8)