diff --git a/config/initializers/chewy.rb b/config/initializers/chewy.rb
index 076f383324..fff8cc22a4 100644
--- a/config/initializers/chewy.rb
+++ b/config/initializers/chewy.rb
@@ -18,6 +18,7 @@ Chewy.settings = {
   index: {
     number_of_replicas: ['single_node_cluster', nil].include?(ENV['ES_PRESET'].presence) ? 0 : 1,
   },
+  adapter: :net_http,
 }
 
 # We use our own async strategy even outside the request-response