diff --git a/infection.json b/infection.json
index 1375dae..8939f31 100644
--- a/infection.json
+++ b/infection.json
@@ -3,6 +3,9 @@
     "source": {
         "directories": [
             "src"
+        ],
+        "excludes": [
+            "Test"
         ]
     },
     "mutators": {