diff --git a/composer.json b/composer.json
index 0ab8235..e31e165 100644
--- a/composer.json
+++ b/composer.json
@@ -48,7 +48,7 @@
     },
     "autoload": {
         "psr-4": {
-            "hiqdev\\hiart\\": ""
+            "hiqdev\\hiart\\": "src"
         }
     }
 }
diff --git a/ActiveDataProvider.php b/src/ActiveDataProvider.php
similarity index 100%
rename from ActiveDataProvider.php
rename to src/ActiveDataProvider.php
diff --git a/ActiveQuery.php b/src/ActiveQuery.php
similarity index 100%
rename from ActiveQuery.php
rename to src/ActiveQuery.php
diff --git a/ActiveRecord.php b/src/ActiveRecord.php
similarity index 100%
rename from ActiveRecord.php
rename to src/ActiveRecord.php
diff --git a/Collection.php b/src/Collection.php
similarity index 100%
rename from Collection.php
rename to src/Collection.php
diff --git a/Command.php b/src/Command.php
similarity index 100%
rename from Command.php
rename to src/Command.php
diff --git a/Connection.php b/src/Connection.php
similarity index 100%
rename from Connection.php
rename to src/Connection.php
diff --git a/DebugAction.php b/src/DebugAction.php
similarity index 100%
rename from DebugAction.php
rename to src/DebugAction.php
diff --git a/DebugPanel.php b/src/DebugPanel.php
similarity index 100%
rename from DebugPanel.php
rename to src/DebugPanel.php
diff --git a/ErrorResponseException.php b/src/ErrorResponseException.php
similarity index 100%
rename from ErrorResponseException.php
rename to src/ErrorResponseException.php
diff --git a/HiArtException.php b/src/HiArtException.php
similarity index 100%
rename from HiArtException.php
rename to src/HiArtException.php
diff --git a/Query.php b/src/Query.php
similarity index 100%
rename from Query.php
rename to src/Query.php
diff --git a/QueryBuilder.php b/src/QueryBuilder.php
similarity index 100%
rename from QueryBuilder.php
rename to src/QueryBuilder.php