diff --git a/.travis.yml b/.travis.yml
index 1d438fa..da183b2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,6 +16,7 @@ before_script:
 - pre-commit run --all-files
 script:
 - mkdir html
+- git fetch --all
 - sphinx-multiversion -W docs html
 - python setup.py build sdist bdist_wheel