diff --git a/requirements_dev.txt b/requirements_dev.txt
index 953a6e4..3c7aa31 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,5 +1,5 @@
 bumpversion==0.6.0
 wheel==0.36.2
 pre-commit==2.11.1
-black==20.8b1
+black==21.6b0
 psycopg2-binary==2.8.6