diff --git a/.travis.yml b/.travis.yml
index ae902e61..ca448027 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,5 @@
 language: r
+cache: packages
 
 r:
   - release
@@ -11,6 +12,19 @@ addons:
     packages:
       - qpdf
 
+r_packages:
+  - ade4
+  - cclust
+  - bipartite
+  - labdsv
+  - car
+  - ellipse
+  - smacof
+  - coda
+  - maptools
+  - ape
+  - picante
+
 r_github_packages:
   - jimhester/covr