diff --git a/.travis.yml b/.travis.yml
index a621a82..e461287 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,21 +1,24 @@
 language: php
 
-php:
-  - 5.4
-  - 5.5
-  - 5.6
-  - 7.0
-  - 7.1
-  - 7.2
-  - 7.3
-  - hhvm
-
-dist: trusty
-
-matrix:
+jobs:
+  include:
+    - php: "5.4"
+    - php: "5.5"
+    - php: "5.6"
+    - php: "7.0"
+    - php: "7.1"
+    - php: "7.2"
+    - php: "7.3"
+    - php: "hhvm"
+    - php: "7.1"
+      arch: ppc64le
+    - php: "7.2"
+      arch: ppc64le
   allow_failures:
     - php: hhvm
 
+dist: trusty
+
 before_script:
   - sh -c 'if [ "$TRAVIS_PHP_VERSION" != "hhvm" ]; then echo "session.serialize_handler = php" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini; fi;'
   - composer install --dev --prefer-source