diff --git a/Justfile b/Justfile
index b069682..aec0f44 100644
--- a/Justfile
+++ b/Justfile
@@ -7,6 +7,10 @@
   pipenv run black . --check
   pipenv run flake8
   pipenv run mypy sqlite_utils tests
+  cog --check README.md docs/*.rst
+
+@cog:
+  cog -r README.md docs/*.rst
 
 @black:
   pipenv run black .