diff --git a/renovate.json b/renovate.json
new file mode 100644
index 0000000..585696d
--- /dev/null
+++ b/renovate.json
@@ -0,0 +1,15 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "customManagers": [
+    {
+      "customType": "regex",
+      "description": "Detect s6-overlay release version in Dockerfile curl download",
+      "fileMatch": ["^Dockerfile$"],
+      "matchStrings": [
+        "s6-overlay/releases/download/v(?<currentValue>[0-9.]+)/s6-overlay"
+      ],
+      "depNameTemplate": "just-containers/s6-overlay",
+      "datasourceTemplate": "github-releases"
+    }
+  ]
+}