diff --git a/.env.test b/.env.test
new file mode 100644
index 0000000..e7fc342
--- /dev/null
+++ b/.env.test
@@ -0,0 +1 @@
+export SITE_URL=https://test.danbarber.me
diff --git a/test/request_helper.rb b/test/request_helper.rb
index ef26ab8..365a888 100644
--- a/test/request_helper.rb
+++ b/test/request_helper.rb
@@ -7,5 +7,3 @@ MiniTest::Spec.register_spec_type(/something/, Minitest::HooksSpec)
 def app
   Micropub::Webserver
 end
-
-ENV["SITE_URL"] = "https://test.danbarber.me"
diff --git a/test/test_helper.rb b/test/test_helper.rb
index cc22127..1abe8ad 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -1,4 +1,6 @@
-$LOAD_PATH.unshift File.expand_path("../lib", __dir__)
+require 'dotenv'
+Dotenv.load(".env.test")
+
 require "micropub"
 
 require "rack/test"