diff --git a/.travis.yml b/.travis.yml
index 31f169e20..fba546cfa 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,8 +20,8 @@ env:
     # Supply more than one RACKET_VERSION (as in the example below) to
     # create a Travis-CI build matrix to test against multiple Racket
     # versions.
-    - RACKET_VERSION=6.0
-    - RACKET_VERSION=6.1
+    #- RACKET_VERSION=6.0
+    #- RACKET_VERSION=6.1
     - RACKET_VERSION=6.1.1
     - RACKET_VERSION=6.2
     - RACKET_VERSION=6.3
@@ -44,8 +44,8 @@ addons:
     packages:
     #- asymptote
     #- texlive-binaries
-    - texlive-latex-base
     - texlive-latex-recommended
+    - texlive-latex-extra
     - texlive-fonts-recommended
 
 before_install: