diff --git a/.github/dependabot.yml b/.github/dependabot.yml
deleted file mode 100644
index 4394b6d..0000000
--- a/.github/dependabot.yml
+++ /dev/null
@@ -1,21 +0,0 @@
----
-version: 2
-updates:
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    schedule:
-      interval: "daily"
-    labels:
-    - chore
-  - package-ecosystem: "npm"
-    directory: "/"
-    schedule:
-      interval: "weekly"
-    labels:
-    - dependencies
-  - package-ecosystem: docker
-    directory: "/"
-    schedule:
-      interval: weekly
-    labels:
-    - dependencies
diff --git a/.github/renovate.json b/.github/renovate.json
new file mode 100644
index 0000000..5e46df4
--- /dev/null
+++ b/.github/renovate.json
@@ -0,0 +1,9 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:base",
+    ":semanticCommitsDisabled",
+    "schedule:monthly"
+  ],
+  "rebaseWhen": "conflicted"
+}
diff --git a/.nvmrc b/.nvmrc
deleted file mode 100644
index c91434a..0000000
--- a/.nvmrc
+++ /dev/null
@@ -1 +0,0 @@
-14.15.4
diff --git a/.tool-versions b/.tool-versions
index 70d0ba4..993c3b3 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1 +1 @@
-nodejs 18.16.1
+nodejs 21.6.1
diff --git a/Dockerfile b/Dockerfile
index 346dfed..22e1017 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:21
+FROM node:21.6.1
 
 ENV NODE_ENV production
 ENV PORT 3000