diff --git a/.travis.yml b/.travis.yml
index 9a402e4a..125406fb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,6 @@ php:
   - 5.5.9
   - 5.5
   - 5.6
-  - hhvm
 
 env:
   global:
@@ -18,7 +17,13 @@ env:
 before_install: true
 
 install:
-  - sudo apt-get install parallel
+  - wget http://ftp.gnu.org/gnu/parallel/parallel-20120522.tar.bz2
+  - tar -xvjf parallel*
+  - cd parallel*
+  - ./configure
+  - make
+  - sudo make install
+  - cd ..
   - eval `ssh-agent -s`
   - travis/setup-secure-shell.sh
   - sh -c "if [ '$TRAVIS_PHP_VERSION' != 'hhvm' ]; then travis/install-php-extensions.sh; fi"