diff --git a/Gemfile.lock b/Gemfile.lock
index 219a8382..aac48c9c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -312,7 +312,7 @@ GEM
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
     mysql2 (0.5.3)
-    nio4r (2.5.5)
+    nio4r (2.5.7)
     nokogiri (1.11.4)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
@@ -336,7 +336,7 @@ GEM
       binding_of_caller (~> 1.0)
       pry (~> 0.13)
     public_suffix (4.0.6)
-    puma (5.2.1)
+    puma (5.3.2)
       nio4r (~> 2.0)
     racc (1.5.2)
     rack (2.2.3)