diff --git a/.env.example b/.env.example
index 55750b2f2..bc7380a29 100644
--- a/.env.example
+++ b/.env.example
@@ -276,3 +276,4 @@ AZURE_APP_SECRET=
 # REMOVE_STALE_CONTACT_INBOX_JOB_STATUS=false
 
 # REDIS_ALFRED_SIZE=10
+# REDIS_VELMA_SIZE=10
diff --git a/config/initializers/01_redis.rb b/config/initializers/01_redis.rb
index 84ae88d29..5d879d9e8 100644
--- a/config/initializers/01_redis.rb
+++ b/config/initializers/01_redis.rb
@@ -13,7 +13,8 @@ end
 
 # Velma : Determined protector
 # used in rack attack
-$velma = ConnectionPool.new(size: 5, timeout: 1) do
+velma_size = ENV.fetch('REDIS_VELMA_SIZE', 10)
+$velma = ConnectionPool.new(size: velma_size, timeout: 1) do
   config = Rails.env.test? ? MockRedis.new : Redis.new(Redis::Config.app)
   Redis::Namespace.new('velma', redis: config, warning: true)
 end