diff --git a/test/test_electrum.rb b/test/test_electrum.rb
index fbffe9f179d34ab5eaeabce7e7c8386264f97d99..7ba18c258d1e6e80db9bc759cdfa8e2ce2b5b45f 100644
--- a/test/test_electrum.rb
+++ b/test/test_electrum.rb
@@ -17,8 +17,10 @@ class ElectrumTest < Minitest::Test
 
 	def stub_rpc(method, params)
 		stub_request(:post, RPC_URI).with(
-			headers: { "Content-Type" => "application/json" },
-			basic_auth: ["username", "password"],
+			headers: {
+				"Content-Type" => "application/json",
+				"Authorization" => ["username", "password"]
+			},
 			body: hash_including(
 				method: method,
 				params: params