diff --git a/composer.json b/composer.json
index 3f60d2e..a53736a 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,9 @@
     "setbased/helper-program-execution": "^1.0"
   },
   "autoload": {
-    "SetBased\\Phing\\Task\\": "src/"
+    "psr-4": {
+      "SetBased\\Phing\\Task\\": "src/"
+    }
   },
   "config": {
     "bin-dir": "bin/",