diff --git a/requirements-test.txt b/requirements-test.txt
index 5ad6c45..1d3cfad 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -2,6 +2,6 @@ pytest
 pytest-trio
 pdbpp
 mypy<0.920
-trio_typing
+trio_typing<0.7.0
 pexpect
 towncrier