diff --git a/.travis.yml b/.travis.yml
index 7ae55dc41d95eac4afdb4662e2505dcdea6f91b0..0e3c2b0021c19264fcab26ebf2aee503f0d435da 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,7 @@ compiler:
 cache:
   timeout: 1200
   ccache: true
+  pip: true
 
 
 addons: