diff --git a/Gemfile b/Gemfile
index 9d247a50907..87b812dd5dd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -44,7 +44,7 @@ gem "omniauth-twitter", "~> 1.4.0"
 gem "paranoia", "~> 2.6.0"
 gem "pg", "~> 1.4.3"
 gem "pg_search", "~> 2.3.6"
-gem "puma", "~> 4.3.12"
+gem "puma", "~> 5.6.9"
 gem "recipient_interceptor", "~> 0.3.1"
 gem "redcarpet", "~> 3.5.1"
 gem "responders", "~> 3.0.1"