diff --git a/.travis.yml b/.travis.yml
index 431b37ecf..1ee0cbc9f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,7 +17,7 @@ env:
 - DB=sqlite3
 
 before_install:
-  - sudo apt-get install -y pandoc texlive-xetex texlive-fonts-recommended
+  - sudo apt-get install -y pandoc texlive-xetex texlive-latex-extra texlive-fonts-recommended
 
 install:
 - pip install -e .