diff --git a/.travis.yml b/.travis.yml
index 049fb12bbe..cb4cf7f141 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -37,7 +37,7 @@ before_install:
   - sudo service elasticsearch start
   - echo 'session.cache_limiter = ""' >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
   - echo 'extension="redis.so"' >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
-  - echo 'extension="memcache.so"' >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
+  - if [[ $TRAVIS_PHP_VERSION = 5.* ]];then echo 'extension="memcache.so"' >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini; fi;
   - echo 'extension="memcached.so"' >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
   - echo "extension=zmq.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
   - yes | pecl install imagick-beta