diff --git a/.travis.yml b/.travis.yml
index ba2bc756149..634adc86e72 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,7 @@ before_install:
   - sudo add-apt-repository ppa:yjwong/gflags -y
   - sudo add-apt-repository ppa:h-rayflood/llvm -y
   - sudo apt-get update -qq
-  - sudo apt-get install -qq libgtest-dev libgflags-dev python-virtualenv clang-3.5 php5-dev
+  - sudo apt-get install -qq libgtest-dev libgflags-dev python-virtualenv clang-3.5 php5-dev php5
   - sudo pip install cpp-coveralls
 env:
   global: