diff --git a/README.md b/README.md
index b560bb2..ad7761a 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@
 ```
 pip install -r requirements.txt
 ansible-galaxy collection install community.general
+ansible-galaxy collection install community.docker
 ```
 
 ### Ansible Vault
diff --git a/roles/lychee/vars/main.yml b/roles/lychee/vars/main.yml
index 0fb2a79..6f5f918 100644
--- a/roles/lychee/vars/main.yml
+++ b/roles/lychee/vars/main.yml
@@ -1,3 +1,3 @@
 lychee_folder_name: "{{ docker_files }}/lychee"
-lychee_version: v4.3.4
+lychee_version: v4.3.6
 postgres_version: 13