diff --git a/roles/wordpress/tasks/main.yml b/roles/wordpress/tasks/main.yml
index bb9465c..fed51b8 100644
--- a/roles/wordpress/tasks/main.yml
+++ b/roles/wordpress/tasks/main.yml
@@ -12,7 +12,7 @@
 - name: Add memcached php extension to container
   set_fact:
     dockerfile: "{{ dockerfile | combine({'run': \
-      ['apt-get update && apt-get install -y libmemcached-dev zlib1g-dev && \
+      ['apt-get update && apt-get install -y libmemcached-dev libssl-dev zlib1g-dev && \
       pecl install memcached-3.2.0 && docker-php-ext-enable memcached']}, list_merge='append') }}"
   when: "'memcached' in docker_additional_services"