diff --git a/.travis.yml b/.travis.yml
index 1fda9f2..e1a45b3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,25 +22,25 @@ env:
     init: /sbin/init
     run_opts: ""
     SITE: package
-    PHP_VERSION: 5.3
+    PHP_VERSION: 5.6
   - distribution: centos
     version: 7
     init: /usr/lib/systemd/systemd
     run_opts: "--privileged --volume=/sys/fs/cgroup:/sys/fs/cgroup:ro"
     SITE: package
-    PHP_VERSION: 5.4
+    PHP_VERSION: 5.6
   - distribution: ubuntu
     version: 14.04
     init: /sbin/init
     run_opts: ""
     SITE: package
-    PHP_VERSION: 5.5
+    PHP_VERSION: 5.6
   - distribution: ubuntu
     version: 12.04
     init: /sbin/init
     run_opts: ""
     SITE: package
-    PHP_VERSION: 5.3
+    PHP_VERSION: 5.6
 
 services:
   - docker
@@ -57,6 +57,9 @@ script:
   # Run container in detached state
   - 'sudo docker run --detach --volume="${PWD}":/etc/ansible/roles/role_under_test:ro ${run_opts} ${distribution}-${version}:ansible "${init}" > "${container_id}"'
 
+  # Install dependencies.
+  - 'sudo docker exec "$(cat ${container_id})" ansible-galaxy install -r /etc/ansible/roles/role_under_test/tests/requirements.yml'
+
   # Ansible syntax check.
   - 'sudo docker exec --tty "$(cat ${container_id})" env TERM=xterm ansible-playbook /etc/ansible/roles/role_under_test/tests/test-${SITE}.yml --syntax-check'
 
diff --git a/tests/requirements.yml b/tests/requirements.yml
new file mode 100644
index 0000000..711227a
--- /dev/null
+++ b/tests/requirements.yml
@@ -0,0 +1,2 @@
+---
+- src: geerlingguy.repo-remi
diff --git a/tests/test-package.yml b/tests/test-package.yml
index f949d2d..71369a6 100644
--- a/tests/test-package.yml
+++ b/tests/test-package.yml
@@ -3,11 +3,18 @@
 
   vars:
     php_enable_webserver: false
+    php_version: 5.6
+    php_enablerepo: "remi,remi-php56"
 
   pre_tasks:
     - name: Ensure build dependencies are installed (RedHat).
       yum: name=which state=present
       when: ansible_os_family == 'RedHat'
 
+    - name: Add repository for PHP 5.6.
+      apt_repository: repo='ppa:ondrej/php5-5.6'
+      when: ansible_os_family == 'Debian'
+
   roles:
+    - { role: geerlingguy.repo-remi, when: ansible_os_family == 'RedHat' }
     - role_under_test