diff --git a/Gemfile.lock b/Gemfile.lock
index 2c5b4d1..5d93a97 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -18,9 +18,9 @@ GEM
     minitest (5.16.3)
     mustermann (3.0.0)
       ruby2_keywords (~> 0.0.1)
-    nio4r (2.5.8)
+    nio4r (2.5.9)
     pg (1.4.5)
-    puma (6.0.0)
+    puma (6.3.1)
       nio4r (~> 2.0)
     rack (2.2.4)
     rack-protection (3.0.4)