diff --git a/requirements-dev.txt b/requirements-dev.txt
index 2c479e6e5..a7307da8f 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,4 @@
-black==19.3b0
+black==19.10b0
 coveralls==1.8.2
 ddt==1.2.1
 flake8-import-order==0.18.1