diff --git a/requirements-test.txt b/requirements-test.txt
index 2e2d1b5..a46c4f3 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -4,3 +4,4 @@ pdbpp
 mypy
 trio_typing
 pexpect
+towncrier
\ No newline at end of file