diff --git a/mix.exs b/mix.exs
index b46dcf3..5832f15 100644
--- a/mix.exs
+++ b/mix.exs
@@ -2,7 +2,7 @@ defmodule Knock.MixProject do
   use Mix.Project
 
   @source_url "https://github.com/knocklabs/knock-elixir"
-  @version "0.4.18"
+  @version "0.4.19"
 
   def project do
     [
diff --git a/test/knock_test.exs b/test/knock_test.exs
index efb125f..2ad7c41 100644
--- a/test/knock_test.exs
+++ b/test/knock_test.exs
@@ -38,14 +38,15 @@ defmodule KnockTest do
     test "if set, will use the Tesla default adapter if one is not provided" do
       Application.put_env(:tesla, :adapter, Tesla.Adapter.Hackney)
 
-      knock = TestClient.client()
+      knock = TestClient.client(api_key: "sk_test_12345")
       assert knock.adapter == Tesla.Adapter.Hackney
 
       Application.delete_env(:tesla, :adapter)
     end
 
     test "it can set the adapter to a custom one" do
-      knock = TestClient.client(adapter: Tesla.Adapter.Mint)
+      knock = TestClient.client(adapter: Tesla.Adapter.Mint, api_key: "sk_test_12345")
+
       assert knock.adapter == Tesla.Adapter.Mint
     end
   end