diff --git a/Gemfile.lock b/Gemfile.lock
index c83bf6c..db55d07 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -18,9 +18,9 @@ GEM
     multi_json (1.15.0)
     mustermann (3.0.4)
       ruby2_keywords (~> 0.0.1)
-    nio4r (2.7.3)
+    nio4r (2.7.5)
     public_suffix (7.0.5)
-    puma (6.4.3)
+    puma (7.2.1)
       nio4r (~> 2.0)
     rack (3.2.6)
     rack-protection (4.2.0)