diff --git a/MANIFEST.in b/MANIFEST.in
index 75400381..b41b4db3 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -17,5 +17,6 @@ include .coveragerc .flake8
 include tox.ini rtd.txt
 
 exclude TODO.txt
+prune docs/_build
 
 recursive-exclude * __pycache__ *.py[cod]