diff --git a/.travis.sh b/.travis.sh
index a2bc6048c..89e8ce97e 100755
--- a/.travis.sh
+++ b/.travis.sh
@@ -70,6 +70,7 @@ fi
 echo "${TRAVIS_BRANCH}" | grep -qvE "^[0-9.]+$" && exit 0; :;
 
 # Install dependencies for release build
+pip install --upgrade setuptools
 pip install wheel twine
 
 # Build and install theme and Docker image