diff --git a/lib/recurly/client.rb b/lib/recurly/client.rb
index ff6e07e3b..8f49a3a60 100644
--- a/lib/recurly/client.rb
+++ b/lib/recurly/client.rb
@@ -96,7 +96,7 @@ def pager(path, **options)
     end
 
     def head(path, **options)
-      validate_options!(options)
+      validate_options!(**options)
       request = Net::HTTP::Head.new build_url(path, options)
       set_headers(request, options[:headers])
       http_response = run_request(request, options)
@@ -104,7 +104,7 @@ def head(path, **options)
     end
 
     def get(path, **options)
-      validate_options!(options)
+      validate_options!(**options)
       request = Net::HTTP::Get.new build_url(path, options)
       set_headers(request, options[:headers])
       http_response = run_request(request, options)
@@ -112,7 +112,7 @@ def get(path, **options)
     end
 
     def post(path, request_data, request_class, **options)
-      validate_options!(options)
+      validate_options!(**options)
       request_class.new(request_data).validate!
       request = Net::HTTP::Post.new build_url(path, options)
       request.set_content_type(JSON_CONTENT_TYPE)
@@ -123,7 +123,7 @@ def post(path, request_data, request_class, **options)
     end
 
     def put(path, request_data = nil, request_class = nil, **options)
-      validate_options!(options)
+      validate_options!(**options)
       request = Net::HTTP::Put.new build_url(path, options)
       request.set_content_type(JSON_CONTENT_TYPE)
       set_headers(request, options[:headers])
@@ -137,7 +137,7 @@ def put(path, request_data = nil, request_class = nil, **options)
     end
 
     def delete(path, **options)
-      validate_options!(options)
+      validate_options!(**options)
       request = Net::HTTP::Delete.new build_url(path, options)
       set_headers(request, options[:headers])
       http_response = run_request(request, options)