diff --git a/coincurve/__init__.py b/coincurve/__init__.py
index f4a9b48..63b548f 100644
--- a/coincurve/__init__.py
+++ b/coincurve/__init__.py
@@ -1,3 +1,11 @@
 from coincurve.context import GLOBAL_CONTEXT, Context
 from coincurve.keys import PrivateKey, PublicKey
 from coincurve.utils import verify_signature
+
+__all__ = [
+    'GLOBAL_CONTEXT',
+    'Context',
+    'PrivateKey',
+    'PublicKey',
+    'verify_signature',
+]