diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 83925539..45222b48 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -21,3 +21,7 @@ repos:
     hooks:
     -   id: pyupgrade
         args: ['--py36-plus','--exit-zero-even-if-changed']
+-   repo: https://github.com/asottile/blacken-docs
+    rev: v1.0.0
+    hooks:
+    -   id: blacken-docs