diff --git a/.travis.yml b/.travis.yml
index 8f1de9f44d..187bb56abd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -71,6 +71,7 @@ install:
   - pip install moto==1.3.7
   # Workaround for https://github.com/travis-ci/travis-ci/issues/7940
   - sudo rm -f /etc/boto.cfg
+  - pip freeze  # print installed distributions, for debugging purposes
   - elapsed "install (done)"
 
 before_script: