diff --git a/spec/integration/eventstorm/spike_spec.rb b/spec/integration/eventstorm/spike_spec.rb
index c53a799..b15ca8f 100644
--- a/spec/integration/eventstorm/spike_spec.rb
+++ b/spec/integration/eventstorm/spike_spec.rb
@@ -13,7 +13,7 @@
   end
 
   let(:es_cluster) do
-    Elasticsearch::Cluster.connect('http://helium:9200')
+    Elasticsearch::Cluster.connect(ENV.fetch('ELASTICSEARCH_URL', 'http://localhost:9200'))
   end
 
   let(:es_index) do