diff --git a/pact_broker/Gemfile b/pact_broker/Gemfile
index b075347..baf07bb 100644
--- a/pact_broker/Gemfile
+++ b/pact_broker/Gemfile
@@ -2,7 +2,7 @@ source 'https://rubygems.org'
 
 gem "pact_broker"
 gem "pg", "~>1.5"
-gem "puma", "~> 5.6", ">= 5.6.8"
+gem "puma", "~> 5.6", ">= 5.6.9"
 gem "mysql2", "~>0.3"
 gem "sqlite3", "~>1.6", force_ruby_platform: true
 gem "rake", "~> 13.0"
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