diff --git a/requirements_test.txt b/requirements_test.txt
index e3608585..ffcf2f00 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -2,7 +2,7 @@ aresponses==2.0.0
 coverage==5.2.1
 flake8==3.8.3
 flake8-docstrings==1.5.0
-isort==5.3.2
+isort==5.4.2
 mypy==0.782
 pylint==2.5.3
 pytest==5.4.3