1 files changed, 1 insertions, 1 deletions
diff --git a/.travis.yml b/.travis.yml
index 591cc57b80..c26f3bf789 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -69,7 +69,7 @@ matrix:
           - asciidoc
           - xmlto
       before_install:
-      before_script:
+      before_script: gem install asciidoctor
       script: ci/test-documentation.sh
       after_failure: