diff --git a/pkg/redis/.travis.yml b/pkg/redis/.travis.yml
index 9ed4fa123..2b0fbc84a 100644
--- a/pkg/redis/.travis.yml
+++ b/pkg/redis/.travis.yml
@@ -13,6 +13,9 @@ cache:
     directories:
         - $HOME/.composer/cache
 
+before_install:
+    - echo "extension = redis.so" >> $HOME/.phpenv/versions/$(phpenv version-name)/etc/php.ini
+
 install:
     - composer self-update
     - composer install --prefer-source