diff --git a/.travis.yml b/.travis.yml
index dedcbd899..1201585e5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,7 @@ install:
   - nuget restore Duplicati.sln
   - nuget install NUnit.Runners -Version 3.5.0 -OutputDirectory testrunner
   - sudo pip install selenium
+  - sudo apt install python-urllib3
   - if [ ! -d "${TRAVIS_BUILD_DIR}"/packages/SharpCompress.0.18.2 ]; then ln -s "${TRAVIS_BUILD_DIR}"/packages/sharpcompress.0.18.2 "${TRAVIS_BUILD_DIR}"/packages/SharpCompress.0.18.2; fi
 addons:
   coverity_scan: