diff --git a/Gemfile.lock b/Gemfile.lock
index b347fb75..10a18361 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -66,7 +66,7 @@ GEM
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
     newrelic_rpm (6.14.0)
-    nio4r (2.5.4)
+    nio4r (2.5.8)
     nokogiri (1.11.1)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
@@ -77,7 +77,7 @@ GEM
     pry (0.13.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    puma (5.1.1)
+    puma (5.6.1)
       nio4r (~> 2.0)
     racc (1.5.2)
     rack (2.2.3)