diff --git a/.travis.yml b/.travis.yml
index 9140c2f10..3f0f83bc2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,7 @@
 os: linux
 language: python
+git:
+  depth: 400
 python:
   - 3.6
 matrix: