diff --git a/quad/.travis.yml b/quad/.travis.yml
index 0378fc52..214f9c2c 100644
--- a/quad/.travis.yml
+++ b/quad/.travis.yml
@@ -9,14 +9,18 @@ env:
   global:
     - RACKET_DIR=~/racket
   matrix:
-    - RACKET_VERSION=6.10
+    - RACKET_VERSION=6.12
+    - RACKET_VERSION=7.0
+    - RACKET_VERSION=7.1
     - RACKET_VERSION=HEAD
+    - RACKET_VERSION=HEADCS
 
 # You may want to test against certain versions of Racket, without
 # having them count against the overall success/failure.
 matrix:
   allow_failures:
     #- env: RACKET_VERSION=HEAD
+    - env: RACKET_VERSION=HEADCS
   # Fast finish: Overall build result is determined as soon as any of
   # its rows have failed, or, all of its rows that aren't allowed to
   # fail have succeeded.