diff --git a/.travis.yml b/.travis.yml
index 1ed2b518f..7305afafd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -517,7 +517,8 @@ script:
         docker run --rm -e DOCKER_IMAGE -e PY_VERSION -v `pwd`:/io $DOCKER_IMAGE $PRE_CMD "/io/ci-scripts/docker/docker_build.sh";
         klayout_version=$(python -c 'import setup; print(setup.Config().version())'); 
         mkdir -p deploy/dist-pymod/$klayout_version;
-        cp -a wheelhouse/klayout-*manylinux1*.whl deploy/dist-pymod/$klayout_version;
+        python setup.py sdist --formats=gztar,zip --dist-dir=deploy/dist-pymod/$klayout_version;
+        cp -a wheelhouse/{klayout-*manylinux1*.whl,*.tar.gz,*.zip} deploy/dist-pymod/$klayout_version;
         if [ "$TEST_IN_HOST" = true ]; then
             pip install klayout --no-index -f ./wheelhouse;
             python testdata/pymod/import_db.py;
@@ -531,6 +532,7 @@ script:
         python setup.py build;
         python setup.py bdist_wheel;
         python setup.py install;
+        python setup.py sdist --formats=gztar,zip;
         python testdata/pymod/import_db.py;
         python testdata/pymod/import_rdb.py;
         python testdata/pymod/import_tl.py;
@@ -538,7 +540,7 @@ script:
         python testdata/pymod/pya_tests.py;
         klayout_version=$(python -c 'import setup; print(setup.Config().version())');
         mkdir -p deploy/dist-pymod/$klayout_version;
-        cp -a dist/*.whl deploy/dist-pymod/$klayout_version;
+        cp -a dist/{*.whl,*.tar.gz,*.zip} deploy/dist-pymod/$klayout_version;
         python -c 'import klayout.db as db; print(dir(db))';
         python -c 'import klayout.rdb as rdb; print(dir(rdb))';
         python -c 'import klayout.tl as tl; print(dir(tl))';