diff --git a/.github/workflows/validate-renovate-config.yml b/.github/workflows/validate-renovate-config.yml
new file mode 100644
index 0000000..776c0e0
--- /dev/null
+++ b/.github/workflows/validate-renovate-config.yml
@@ -0,0 +1,21 @@
+name: validate-renovate-config
+
+on:
+  pull_request:
+    paths: [renovate.json5]
+  push:
+    branches: [main]
+
+env:
+  # renovate: datasource=node depName=node versioning=node
+  NODE_VERSION: "20"
+
+jobs:
+  validate-renovate-config:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+      - run: npx -p renovate renovate-config-validator
diff --git a/renovate.json5 b/renovate.json5
new file mode 100644
index 0000000..2f20971
--- /dev/null
+++ b/renovate.json5
@@ -0,0 +1,40 @@
+{
+  $schema: "https://docs.renovatebot.com/renovate-schema.json",
+
+  extend: [
+    // https://docs.renovatebot.com/presets-config/#configbase
+    "config:base",
+
+    // https://docs.renovatebot.com/presets-default/#automergepatch
+    ":automergePatch",
+
+    // https://docs.renovatebot.com/presets-default/#enableprecommit
+    ":enablePreCommit",
+
+    // https://docs.renovatebot.com/presets-default/#prhourlylimitnone
+    ":prHourlyLimitNone",
+
+    // https://docs.renovatebot.com/presets-default/#rebasestaleprs
+    ":rebaseStalePrs",
+
+    // https://docs.renovatebot.com/presets-regexManagers/#regexmanagersgithubactionsversions
+    "regexManagers:githubActionsVersions",
+  ],
+  regexManagers: [
+    {
+      fileMatch: ["^{{cookiecutter.project_name}}/pyproject\\.toml$"],
+      matchStrings: [
+        '"(?<depName>pytest)": "\\^(?<currentValue>[^"]+)"',
+        '"(?<depName>pytest-cov)": "\\^(?<currentValue>[^"]+)"',
+        '"(?<depName>deptry)": "\\^(?<currentValue>[^"]+)"',
+        '"(?<depName>mypy)": "\\^(?<currentValue>[^"]+)"',
+        '"(?<depName>pre-commit)": "\\^(?<currentValue>[^"]+)"',
+        '"(?<depName>tox)": "\\^(?<currentValue>[^"]+)"',
+        '"(?<depName>mkdocs)": "\\^(?<currentValue>[^"]+)"',
+        '"(?<depName>mkdocs-material)": "\\^(?<currentValue>[^"]+)"',
+        '"(?<depName>mkdocstrings)": "\\{extras = \\[\\"python\\"\\], version = \\"\\^(?<currentValue>[^"]+)\\"\\}"',
+      ],
+      datasourceTemplate: "pypi",
+    },
+  ],
+}