diff --git a/requirements_test.txt b/requirements_test.txt
index b2e452ec..30299516 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -2,7 +2,7 @@ aresponses==1.1.2
 coverage==5.0.3
 flake8==3.7.9
 flake8-docstrings==1.5.0
-isort==4.3.21
+isort==5.1.2
 mypy==0.761
 pylint==2.4.4
 pytest==5.3.5