diff --git a/scripts/travis b/scripts/travis
index 11e2380e0..aa6e48553 100755
--- a/scripts/travis
+++ b/scripts/travis
@@ -43,6 +43,10 @@ echo "$TRAVIS_BRANCH" | grep -qvE "^[0-9.]+$" && exit 0; :;
 # Install dependencies for release build
 pip install --user wheel twine
 
+# Fix SSL warnings for Python > 2.7.9
+# https://urllib3.readthedocs.io/en/latest/user-guide.html#ssl-py2
+pip install --user urllib3[secure]
+
 # Build and install theme and Docker image
 python setup.py build sdist bdist_wheel --universal
 docker build -t $TRAVIS_REPO_SLUG .