diff --git a/Gemfile.template b/Gemfile.template
index a98db8509..38baeab4f 100644
--- a/Gemfile.template
+++ b/Gemfile.template
@@ -33,3 +33,4 @@ gem "webmock", "~> 3", :group => :development
 gem "jar-dependencies", "= 0.4.1" # Gem::LoadError with jar-dependencies 0.4.2
 gem "murmurhash3", "= 0.1.6" # Pins until version 0.1.7-java is released
 gem "thwait"
+gem "puma", ">= 6.3.1"