diff --git a/requirements-tests-py3.txt b/requirements-tests-py3.txt
index ee24076de..f4dab477a 100644
--- a/requirements-tests-py3.txt
+++ b/requirements-tests-py3.txt
@@ -4,5 +4,5 @@ black==20.8b1
 flake8==3.8.4
 flake8-bugbear==20.1.4
 flake8-pyi==20.10.0
-isort[pyproject]==5.5.3
+isort==5.5.3
 pytype>=2021.01.28