diff --git a/src/libtmux/__init__.py b/src/libtmux/__init__.py
index 7dd7284f6..263f4d351 100644
--- a/src/libtmux/__init__.py
+++ b/src/libtmux/__init__.py
@@ -13,3 +13,18 @@
 from .server import Server
 from .session import Session
 from .window import Window
+
+__all__ = (
+    "Pane",
+    "Server",
+    "Session",
+    "Window",
+    "__author__",
+    "__copyright__",
+    "__description__",
+    "__email__",
+    "__license__",
+    "__package_name__",
+    "__title__",
+    "__version__",
+)