diff --git a/.travis.yml b/.travis.yml
index f64e206974b..e50257a5fec 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -39,6 +39,7 @@ before_script:
   - pear install channel://pear.php.net/Math_BigInteger
   - pear install channel://pear.php.net/Net_DNS2
   - pear install channel://pear.horde.org/Horde_Role
+  - pear install channel://pear.nrk.io/Predis
   - ./framework/bin/pear_batch_install
   - psql -c 'create database test;' -U postgres
 script: