diff --git a/fly.toml b/fly.toml
index 35b2b9ee2..33cff3813 100644
--- a/fly.toml
+++ b/fly.toml
@@ -23,8 +23,8 @@ RACK_TIMEOUT_SERVICE_TIMEOUT = "25"
 RACK_TIMEOUT_WAIT_TIMEOUT = "30"
 RAILS_ENV = "production"
 RAILS_LOG_TO_STDOUT = "enabled"
-RAILS_MAX_THREADS = "5"
-RAILS_MIN_THREADS = "5"
+RAILS_MAX_THREADS = "4"
+RAILS_MIN_THREADS = "4"
 RAILS_SERVE_STATIC_FILES = "enabled"
 REDIS_PROVIDER = "REDIS_SIDEKIQ_URL"
 SIDEKIQ_CONCURRENCY = "5"