diff --git a/src/requirements/dev.txt b/src/requirements/dev.txt
index 96f19cc2..401ca8fa 100644
--- a/src/requirements/dev.txt
+++ b/src/requirements/dev.txt
@@ -6,6 +6,6 @@ coverage==5.1
 codecov==2.1.7
 black==19.10b0
 pre-commit==2.6.0
-isort==4.3.21
+isort==5.1.1
 hypothesis==5.19.1
 flake8==3.8.2