diff --git a/.travis.yml b/.travis.yml
index 47a3ac4..9e068c4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,6 +14,8 @@ cache:
     - $TRAVIS_BUILD_DIR/.cache
     - $TRAVIS_BUILD_DIR/node_modules
 before_install:
+  - sudo sed -i 's/mozilla\/DST_Root_CA_X3.crt/!mozilla\/DST_Root_CA_X3.crt/g' /etc/ca-certificates.conf
+  - sudo update-ca-certificates -f
   - $SHELL --version 2> /dev/null || dpkg -s $SHELL 2> /dev/null || which $SHELL
   - curl --version
   - wget --version