diff --git a/.travis.yml b/.travis.yml
index e2d474b..dade59a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,7 @@ jobs:
 before_install:
   - sudo apt-get update -qq
   - sudo apt-get install -qq libarchive-dev
+  - pyenv shell $PYTHON
 install:
   - make build
 script: