diff --git a/elasticsearch-api/spec/elasticsearch/api/actions/indices/explain_data_lifecycle_spec.rb b/elasticsearch-api/spec/elasticsearch/api/actions/indices/explain_data_lifecycle_spec.rb
index da83e8d821..06ff6b0362 100644
--- a/elasticsearch-api/spec/elasticsearch/api/actions/indices/explain_data_lifecycle_spec.rb
+++ b/elasticsearch-api/spec/elasticsearch/api/actions/indices/explain_data_lifecycle_spec.rb
@@ -20,7 +20,7 @@
 describe 'client.indices#explain_data_lifecycle' do
   let(:expected_args) do
     [
-        'POST',
+        'GET',
         'foo/_lifecycle/explain',
         {},
         nil,