libcurl4-openssl-dev to maybe avoid SSL errors in tests?

errors like #539 (comment) possible fix found at gjtorikian/html-proofer#376 (comment)
github · Oct 4, 2017 · b1baa06 · b1baa06
1 parent c400867
commit b1baa06
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -7,6 +7,11 @@ language: ruby
 rvm:
   - 2.4.0
 
+addons:
+  apt:
+    packages:
+    - libcurl4-openssl-dev
+
 branches:
   only:
     - gh-pages