diff --git a/.travis.yml b/.travis.yml
index 5092c2a1a..4ac3c17cc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -52,5 +52,10 @@ after_success:
   - coverage report
   - travis_retry pip install coveralls-merge
   - coveralls-merge coverage.c.json
+  
+  # Coverage and quality reports on just the latest diff.
+  # (Installation is very slow on Py3, so just do it for Py2.)
+  - if [ ${TRAVIS_PYTHON_VERSION:0:1} == "2" ]; then Scripts/diffcover-install.sh; fi
+  - if [ ${TRAVIS_PYTHON_VERSION:0:1} == "2" ]; then Scripts/diffcover-run.sh; fi
 matrix:
   fast_finish: true