diff --git a/composer.json b/composer.json
index b0e0f185..db780502 100644
--- a/composer.json
+++ b/composer.json
@@ -30,5 +30,6 @@
     "suggest": {
         "ext-mcrypt": "*",
         "ext-gmp": "*"
-    }
+    },
+    "include-path": ["phpseclib/"]
 }