diff --git a/requirements/testing.txt b/requirements/testing.txt
index f190697c..812f3bfe 100644
--- a/requirements/testing.txt
+++ b/requirements/testing.txt
@@ -1,5 +1,5 @@
 -r production.txt
-isort==4.3.21
+isort==5.9.3
 coveralls==2.0.0
 flake8==3.8.1
 flake8-isort==2.8.0