1 files changed, 1 insertions, 0 deletions
diff --git a/.travis.yml b/.travis.yml
index 6fa00f1..63867c2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,6 +17,7 @@ addons: &addons
       - texlive-fonts-extra
       - texlive-science
       - texlive-pictures
+      - latex-xcolor
       - dvipng
       - cm-super
 script: