diff --git a/.travis.yml b/.travis.yml
index 6bf613b..a486c75 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,7 +10,10 @@ matrix:
     - php: 5.6
     - php: hhvm
 before_script:
-  - if [[ "$TRAVIS_PHP_VERSION" != "5.3" ]]; then sh -c "php -S 127.0.0.1:8000 -t tests/PHPCurlClass/ &"; fi
+  - if [[ "$TRAVIS_PHP_VERSION" == "5.4" ]]; then sh -c "php -S 127.0.0.1:8000 -t tests/PHPCurlClass/ &"; fi
+  - if [[ "$TRAVIS_PHP_VERSION" == "5.5" ]]; then sh -c "php -S 127.0.0.1:8000 -t tests/PHPCurlClass/ &"; fi
+  - if [[ "$TRAVIS_PHP_VERSION" == "5.6" ]]; then sh -c "php -S 127.0.0.1:8000 -t tests/PHPCurlClass/ &"; fi
+  - if [[ "$TRAVIS_PHP_VERSION" == "hhvm" ]]; then sh -c "cd tests && hhvm --mode server --port 8000 --config PHPCurlClass/server.hdf"; fi
 script:
   - php -l src/*
   - if [[ "$TRAVIS_PHP_VERSION" != "5.3" ]]; then sh -c "cd tests && phpunit --configuration phpunit.xml"; fi