diff --git a/tests/requirements.txt b/tests/requirements.txt
index 0ac146d..9d619c7 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -2,7 +2,7 @@ black==19.10b0
 coverage==5.2
 flake8==3.8.3
 flake8-quotes==3.2.0
-isort==5.1.1
+isort==5.1.4
 mypy==0.782
 pycodestyle==2.6.0
 pyflakes==2.2.0