diff --git a/config/feature_flags/development/header_read_timeout_buffered_io.yml b/config/feature_flags/development/header_read_timeout_buffered_io.yml
index 552052e2d9b6b5e0366089a94dd1106a88e11b55..ba7ef4cc000b7de6c07385ff4ab992249fcc8167 100644
--- a/config/feature_flags/development/header_read_timeout_buffered_io.yml
+++ b/config/feature_flags/development/header_read_timeout_buffered_io.yml
@@ -5,4 +5,4 @@ rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/350233
 milestone: '14.8'
 type: development
 group: group::integrations
-default_enabled: false
+default_enabled: true
diff --git a/lib/gitlab/http_connection_adapter.rb b/lib/gitlab/http_connection_adapter.rb
index dfecf3a669e9f0621e42ea4483b6c06cd79cde6b..6e3a83f08c3249198308fcf80d77814d44aaf15f 100644
--- a/lib/gitlab/http_connection_adapter.rb
+++ b/lib/gitlab/http_connection_adapter.rb
@@ -29,7 +29,7 @@ def connection
       http = super
       http.hostname_override = hostname if hostname
 
-      if Feature.enabled?(:header_read_timeout_buffered_io)
+      if Feature.enabled?(:header_read_timeout_buffered_io, default_enabled: :yaml)
         gitlab_http = Gitlab::NetHttpAdapter.new(http.address, http.port)
 
         http.instance_variables.each do |variable|