diff --git a/requirements-dev.txt b/requirements-dev.txt
index 681225f..214a1ff 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,3 +1,3 @@
-black==19.10b0
+black==20.8b1
 pytest==5.4.2
 pre-commit==2.3.0