diff --git a/Gemfile.lock b/Gemfile.lock
index 1ffd06f..c0356cf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -210,7 +210,7 @@ GEM
     psych (5.2.3)
       date
       stringio
-    puma (6.5.0)
+    puma (6.6.0)
       nio4r (~> 2.0)
     raabro (1.4.0)
     racc (1.8.1)