diff --git a/setup.py b/setup.py
index 190070e..4f56472 100755
--- a/setup.py
+++ b/setup.py
@@ -38,7 +38,9 @@ setup(
         'tractor.testing',
     ],
     install_requires=[
-        'msgpack', 'trio>0.8', 'async_generator', 'colorlog', 'wrapt'],
+        'msgpack', 'trio>0.8', 'async_generator', 'colorlog', 'wrapt',
+        'trio_typing',
+    ],
     tests_require=['pytest'],
     python_requires=">=3.7",
     keywords=[