diff --git a/Dockerfile.template b/Dockerfile.template
index 2380c6ad..d9a3de78 100644
--- a/Dockerfile.template
+++ b/Dockerfile.template
@@ -1,8 +1,8 @@
 ARG ARCH=%%BALENA_ARCH%%
 ARG FATRW_VERSION=0.2.9
-ARG NODE="nodejs~=18"
-ARG NPM="npm~=9"
-ARG ALPINE_VERSION="3.18"
+ARG NODE="nodejs~=20"
+ARG NPM="npm~=10"
+ARG ALPINE_VERSION="3.19"
 
 ###################################################
 # Build the supervisor dependencies
diff --git a/README.md b/README.md
index f89dd87a..993d7c48 100644
--- a/README.md
+++ b/README.md
@@ -45,7 +45,7 @@ Here's a few guidelines to make the process easier for everyone involved.
 
 These are the system requirements for developing and testing the balenaSupervisor on a local machine
 
-- [Node.js](https://nodejs.org/en) v18 or latest
+- [Node.js](https://nodejs.org/en) v20 or latest
 - [Rust](https://www.rust-lang.org/) v1.64 or latest for installing the [@balena/systemd](https://www.npmjs.com/package/@balena/systemd) NPM package.
 - If developing on an architecture not supported by default by [node-sqlite3](https://github.com/TryGhost/node-sqlite3#prebuilt-binaries), a C++ compiler and linker are also required, plus the libsqlite development headers.
 
@@ -195,7 +195,7 @@ To run type checks, and unit tests, you can use:
 npm run test
 ```
 
-The supervisor runs on Node v12.16.2, so using that specific
+The supervisor runs on Node v20, so using that specific
 version will ensure tests run in the same environment as
 production.
 
diff --git a/package-lock.json b/package-lock.json
index 59851038..1cd3b05e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -34,7 +34,7 @@
         "@types/mocha": "^8.2.3",
         "@types/mock-fs": "^4.13.1",
         "@types/morgan": "^1.9.3",
-        "@types/node": "^18.11.7",
+        "@types/node": "^20.11.24",
         "@types/request": "^2.48.8",
         "@types/rewire": "^2.5.28",
         "@types/rimraf": "^2.0.5",
@@ -2154,10 +2154,13 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "18.11.7",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.11.7.tgz",
-      "integrity": "sha512-LhFTglglr63mNXUSRYD8A+ZAIu5sFqNJ4Y2fPuY7UlrySJH87rRRlhtVmMHplmfk5WkoJGmDjE9oiTfyX94CpQ==",
-      "dev": true
+      "version": "20.11.24",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.11.24.tgz",
+      "integrity": "sha512-Kza43ewS3xoLgCEpQrsT+xRo/EJej1y0kVYGiLFE1NEODXGzTfwiC6tXTLMQskn1X4/Rjlh0MQUvx9W+L9long==",
+      "dev": true,
+      "dependencies": {
+        "undici-types": "~5.26.4"
+      }
     },
     "node_modules/@types/object-hash": {
       "version": "2.1.0",
@@ -15079,6 +15082,12 @@
         "debug": "^2.2.0"
       }
     },
+    "node_modules/undici-types": {
+      "version": "5.26.5",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
+      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==",
+      "dev": true
+    },
     "node_modules/unique-filename": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/unique-filename/-/unique-filename-1.1.1.tgz",
@@ -17826,10 +17835,13 @@
       }
     },
     "@types/node": {
-      "version": "18.11.7",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.11.7.tgz",
-      "integrity": "sha512-LhFTglglr63mNXUSRYD8A+ZAIu5sFqNJ4Y2fPuY7UlrySJH87rRRlhtVmMHplmfk5WkoJGmDjE9oiTfyX94CpQ==",
-      "dev": true
+      "version": "20.11.24",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.11.24.tgz",
+      "integrity": "sha512-Kza43ewS3xoLgCEpQrsT+xRo/EJej1y0kVYGiLFE1NEODXGzTfwiC6tXTLMQskn1X4/Rjlh0MQUvx9W+L9long==",
+      "dev": true,
+      "requires": {
+        "undici-types": "~5.26.4"
+      }
     },
     "@types/object-hash": {
       "version": "2.1.0",
@@ -27769,6 +27781,12 @@
         "debug": "^2.2.0"
       }
     },
+    "undici-types": {
+      "version": "5.26.5",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
+      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==",
+      "dev": true
+    },
     "unique-filename": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/unique-filename/-/unique-filename-1.1.1.tgz",
diff --git a/package.json b/package.json
index eed6d5b7..f782d7c9 100644
--- a/package.json
+++ b/package.json
@@ -35,8 +35,8 @@
     "sqlite3": "^5.1.6"
   },
   "engines": {
-    "node": "^18.18.0",
-    "npm": "^9.8.1"
+    "node": ">=20 <21",
+    "npm": ">=10"
   },
   "devDependencies": {
     "@balena/contrato": "^0.6.0",
@@ -60,7 +60,7 @@
     "@types/mocha": "^8.2.3",
     "@types/mock-fs": "^4.13.1",
     "@types/morgan": "^1.9.3",
-    "@types/node": "^18.11.7",
+    "@types/node": "^20.11.24",
     "@types/request": "^2.48.8",
     "@types/rewire": "^2.5.28",
     "@types/rimraf": "^2.0.5",
diff --git a/src/logging/balena-backend.ts b/src/logging/balena-backend.ts
index 119df6d0..ed081d2d 100644
--- a/src/logging/balena-backend.ts
+++ b/src/logging/balena-backend.ts
@@ -31,7 +31,7 @@ export class BalenaLogBackend extends LogBackend {
 	private gzip: zlib.Gzip | null = null;
 	private opts: Options;
 	private stream: stream.PassThrough;
-	private timeout: NodeJS.Timer;
+	private timeout: NodeJS.Timeout;
 
 	public initialised = false;