diff --git a/Gemfile.lock b/Gemfile.lock
index 097bcf8..c35def0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -13,8 +13,8 @@ GEM
     mime-types-data (3.2019.1009)
     multi_xml (0.6.0)
     mustermann (1.0.3)
-    nio4r (2.5.2)
-    puma (4.2.1)
+    nio4r (2.5.8)
+    puma (5.6.4)
       nio4r (~> 2.0)
     rack (2.0.7)
     rack-protection (2.0.7)