diff --git a/.travis.yml b/.travis.yml
index 82ed1e1..105176c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -28,7 +28,8 @@ env:
     #- RACKET_VERSION=6.4
     #- RACKET_VERSION=6.5
     - RACKET_VERSION=6.6
-    - RACKET_VERSION=HEAD
+    - RACKET_VERSION=6.7
+    #- RACKET_VERSION=HEAD
 
 matrix:
   allow_failures: