diff --git a/composer.json b/composer.json
index 2357724..4fd9172 100644
--- a/composer.json
+++ b/composer.json
@@ -34,10 +34,14 @@
 	},
 	"autoload": {
 		"psr-4": {
-			"Segment\\Test\\": "test/",
 			"Segment\\": "lib/"
 		}
 	},
+	"autoload-dev": {
+		"psr-4": {
+			"Segment\\Test\\": "test/"
+		}
+	},
 	"bin": [
 		"bin/analytics"
 	],