diff --git a/.travis.yml b/.travis.yml
index e1e9c4b..bea503c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -34,7 +34,7 @@ before_install:
 install:
   - sudo pip install "ansible-core$ANSIBLE_VERSION"
   - sudo pip install ansible-lint
-  - ansible-galaxy collection install community.general community.mysql community.crypto
+  - ansible-galaxy collection install community.general community.mysql community.crypto ansible.posix
 
 script:
   - VAGRANT_DEFAULT_PROVIDER=docker vagrant up $PLATFORM
diff --git a/README.md b/README.md
index 7e1f360..6e49cfb 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ Requirements
 ------------
 
 - Ansible >=2.11
-- Collections: community.general / community.mysql / community.crypto
+- Collections: community.general / community.mysql / community.crypto / ansible.posix
 
 Role Variables
 --------------