diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 695496a..7ef389a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: "docker:latest"
+image: docker:latest
 
 services:
   - "docker:dind"
diff --git a/Dockerfile b/Dockerfile
index f391a52..ca91209 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM "python:3.7-alpine"
+FROM python:3.7-alpine
 
 ARG BUILD_DATE
 ARG VCS_REF
diff --git a/renovate.json b/renovate.json
new file mode 100644
index 0000000..9856186
--- /dev/null
+++ b/renovate.json
@@ -0,0 +1,15 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "gitlabci": {
+    "enabled": true
+  },
+  "packageRules": [
+    {
+      "description": "python Docker image was deprecated; use replacementLookup",
+      "matchDatasources": ["docker"],
+      "matchPackageNames": ["python"],
+      "replacementName": "python",
+      "replacementVersion": "3.13-alpine"
+    }
+  ]
+}