diff --git a/Dockerfile b/Dockerfile
index 309aa4e..e0d7bfa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,22 +7,22 @@ ARG TARGETVARIANT
 
 RUN mkdir -p /opt
 
+# renovate: datasource=github-releases packageName=itzg/rcon-cli
 ARG RCON_CLI_VERSION=1.7.2
-
 ADD https://github.com/itzg/rcon-cli/releases/download/${RCON_CLI_VERSION}/rcon-cli_${RCON_CLI_VERSION}_linux_${TARGETARCH}${TARGETVARIANT}.tar.gz /tmp/rcon-cli.tar.gz
 
 RUN tar x -f /tmp/rcon-cli.tar.gz -C /opt/ && \
     chmod +x /opt/rcon-cli
 
+# renovate: datasource=github-releases packageName=itzg/mc-monitor
 ARG MC_MONITOR_VERSION=0.15.6
-
 ADD https://github.com/itzg/mc-monitor/releases/download/${MC_MONITOR_VERSION}/mc-monitor_${MC_MONITOR_VERSION}_linux_${TARGETARCH}${TARGETVARIANT}.tar.gz /tmp/mc-monitor.tar.gz
 
 RUN tar x -f /tmp/mc-monitor.tar.gz -C /opt/ && \
     chmod +x /opt/mc-monitor
 
+# renovate: datasource=github-releases packageName=restic/restic
 ARG RESTIC_VERSION=0.18.0
-
 # NOTE: restic releases don't differentiate arm v6 from v7, so TARGETVARIANT is not used
 # and have to assume they release armv7
 ADD https://github.com/restic/restic/releases/download/v${RESTIC_VERSION}/restic_${RESTIC_VERSION}_linux_${TARGETARCH}.bz2 /tmp/restic.bz2
@@ -31,15 +31,14 @@ RUN bunzip2 /tmp/restic.bz2 && \
     mv /tmp/restic /opt/restic && \
     chmod +x /opt/restic
 
+# renovate: datasource=github-releases packageName=itzg/entrypoint-demoter
 ARG DEMOTER_VERSION=0.4.8
-
 ADD https://github.com/itzg/entrypoint-demoter/releases/download/v${DEMOTER_VERSION}/entrypoint-demoter_${DEMOTER_VERSION}_Linux_${TARGETARCH}${TARGETVARIANT}.tar.gz /tmp/entrypoint-demoter.tar.gz
 
 RUN tar x -f /tmp/entrypoint-demoter.tar.gz -C /opt/ && \
     chmod +x /opt/entrypoint-demoter
 
 ARG RCLONE_VERSION=1.71.0
-
 ADD https://downloads.rclone.org/v${RCLONE_VERSION}/rclone-v${RCLONE_VERSION}-linux-${TARGETARCH}.zip /tmp/rclone.zip
 
 RUN mkdir -p /tmp/rclone && \
diff --git a/renovate.json5 b/renovate.json5
new file mode 100644
index 0000000..2fe42f3
--- /dev/null
+++ b/renovate.json5
@@ -0,0 +1,16 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "enabledManagers": [
+    "custom.regex"
+  ],
+  "customManagers": [
+    {
+      "customType": "regex",
+      "managerFilePatterns": ["/^Dockerfile$/"],
+      "matchStrings": [
+        "# renovate: datasource=(?<datasource>[a-z-]+?)(?: packageName=(?<packageName>.+?))?(?: versioning=(?<versioning>[a-z-]+))?\\s(?:ENV|ARG) .+?_VERSION=(?<currentValue>.+?)\\s"
+      ]
+    }
+  ],
+  "labels": ["dependencies"]
+}