diff --git a/.travis.yml b/.travis.yml
index b1f6d29..32ffafc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,6 +22,7 @@ before_script:
 - pip install -v 'travis-cargo<0.2' --user
 - if [[ -e ~/.local/bin ]]; then export PATH=~/.local/bin:$PATH; fi
 - echo PATH is $PATH
+- export SSL_CERT_FILE=/etc/ssl/certs/ca-certificates.crt
 
 script:
 - |