diff --git a/.travis.yml b/.travis.yml
index 7f52357..438fcd7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,8 +11,14 @@ env:
     - LISP=ccl32
     - LISP=clisp
     - LISP=clisp32
+    - LISP=cmucl
     - LISP=ecl
 
+matrix:
+  allow_failures:
+    - env: LISP=ccl32
+    - env: LISP=cmucl
+
 install:
   - curl -L https://github.com/luismbo/cl-travis/raw/master/install.sh | sh