diff --git a/requirements.txt b/requirements.txt
index 400fa9b15..416a38b0b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ binaryornot==0.4.4
 # Code quality
 # ------------------------------------------------------------------------------
 black==19.10b0
-isort==4.3.21
+isort==5.1.4
 flake8==3.8.3
 flake8-isort==3.0.1