diff --git a/.travis.yml b/.travis.yml
index eacd024..a556242 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,7 @@
 services: docker
 
 env:
-# - distro: centos7
+  - distro: centos7
   - distro: ubuntu1604
 
 script:
diff --git a/tasks/install.yml b/tasks/install.yml
index 3e16d87..9a39af9 100644
--- a/tasks/install.yml
+++ b/tasks/install.yml
@@ -13,6 +13,12 @@
     karaf_java_packages: "{{ __karaf_java_packages }}"
   when: karaf_java_packages is not defined
 
+- name: Update apt cache
+  apt:
+    update_cache: yes
+    cache_valid_time: 600
+  when: ansible_os_family == "Debian"
+
 - name: Install Java packages
   package:
     name: "{{ karaf_java_packages|join(',') }}"