diff --git a/defaults/main.yml b/defaults/main.yml
index 414609f..5e3f051 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -1,6 +1,7 @@
 ---
+renovatebot_version: slim
 # @var renovatebot_image:description: Docker image to use.
-renovatebot_image: renovate/renovate:slim
+renovatebot_image: "renovate/renovate:{{ renovatebot_version }}"
 renovatebot_service_stopped: False
 
 # @var renovatebot_interval:description: Interval for the systemd timer.