diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e39704f..fe88d3f 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -2,10 +2,9 @@ name: Release
 
 on:
   push:
-    branches: ["main"]
+    branches: ['main']
 
 jobs:
-
   preconditions:
     runs-on: ubuntu-latest
     outputs:
@@ -66,7 +65,7 @@ jobs:
         id: buildx
         uses: docker/setup-buildx-action@v1
         with:
-          buildkitd-flags: "--debug"
+          buildkitd-flags: '--debug'
       - name: Set up Helm
         uses: azure/setup-helm@v1
         with:
@@ -109,7 +108,9 @@ jobs:
       - uses: actions/checkout@master
       - uses: actions/setup-node@master
         with:
-          node-version: 14.x
+          node-version: 16.x
+      - name: Use npm v8
+        run: npm install -g npm@8
       - name: Cache Node.js modules
         uses: actions/cache@v1
         with:
@@ -130,7 +131,9 @@ jobs:
       - uses: actions/checkout@master
       - uses: actions/setup-node@master
         with:
-          node-version: 14.x
+          node-version: 16.x
+      - name: Use npm v8
+        run: npm install -g npm@8
       - name: Cache Node.js modules
         uses: actions/cache@v1
         with:
@@ -151,7 +154,9 @@ jobs:
       - uses: actions/checkout@master
       - uses: actions/setup-node@master
         with:
-          node-version: 14.x
+          node-version: 16.x
+      - name: Use npm v8
+        run: npm install -g npm@8
       - name: Cache Node.js modules
         uses: actions/cache@v1
         with:
@@ -167,13 +172,13 @@ jobs:
       - name: Sleep
         uses: kibertoad/wait-action@1.0.1
         with:
-          time: "30s"
+          time: '30s'
       - name: Initialise DB
         run: npx knex migrate:latest --env test
       - name: Run tests
         run: npm run test
   check-version:
-    name: "Check version"
+    name: 'Check version'
     runs-on: ubuntu-latest
     outputs:
       is_new_version: ${{ steps.get_version.outputs.IS_NEW_VERSION }}
@@ -197,7 +202,7 @@ jobs:
           echo "Skipping release as current version has already been published"
 
   publish:
-    name: "Publish package"
+    name: 'Publish package'
     needs: [preconditions, helm-lint, helm-test, lint, dependency-check, tests, check-version]
     runs-on: ubuntu-latest
     if: ${{ needs.check-version.outputs.is_new_version == 'true' }}
@@ -214,7 +219,7 @@ jobs:
         id: buildx
         uses: docker/setup-buildx-action@v1
         with:
-          buildkitd-flags: "--debug"
+          buildkitd-flags: '--debug'
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v1
         with:
@@ -252,7 +257,7 @@ jobs:
       - name: Build release version
         uses: softprops/action-gh-release@v1
         with:
-          token: "${{ secrets.GITHUB_TOKEN }}"
+          token: '${{ secrets.GITHUB_TOKEN }}'
           tag_name: ${{ needs.check-version.outputs.version }}
           prerelease: false
           name: ${{ needs.check-version.outputs.version }}
@@ -268,11 +273,11 @@ jobs:
             }
             catch (err) {
               if (err.status !== 422) throw err
-            } 
+            }
       - name: Build release latest
         uses: softprops/action-gh-release@v1
         with:
-          token: "${{ secrets.GITHUB_TOKEN }}"
+          token: '${{ secrets.GITHUB_TOKEN }}'
           tag_name: latest
           prerelease: false
           name: Latest ${{ needs.check-version.outputs.version }}
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 3e4dd53..7d6bad4 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -2,7 +2,7 @@ name: Lint and Test
 
 on:
   push:
-    branches-ignore: ["main"]
+    branches-ignore: ['main']
 
 jobs:
   repo_ids:
@@ -59,7 +59,7 @@ jobs:
         id: buildx
         uses: docker/setup-buildx-action@v1
         with:
-          buildkitd-flags: "--debug"
+          buildkitd-flags: '--debug'
       - name: Set up Helm
         uses: azure/setup-helm@v1
         with:
@@ -101,7 +101,9 @@ jobs:
       - uses: actions/checkout@master
       - uses: actions/setup-node@master
         with:
-          node-version: 14.x
+          node-version: 16.x
+      - name: Use npm v8
+        run: npm install -g npm@8
       - name: Cache Node.js modules
         uses: actions/cache@v1
         with:
@@ -121,7 +123,9 @@ jobs:
       - uses: actions/checkout@master
       - uses: actions/setup-node@master
         with:
-          node-version: 14.x
+          node-version: 16.x
+      - name: Use npm v8
+        run: npm install -g npm@8
       - name: Cache Node.js modules
         uses: actions/cache@v1
         with:
@@ -142,7 +146,9 @@ jobs:
       - uses: actions/checkout@master
       - uses: actions/setup-node@master
         with:
-          node-version: 14.x
+          node-version: 16.x
+      - name: Use npm v8
+        run: npm install -g npm@8
       - name: Cache Node.js modules
         uses: actions/cache@v1
         with:
@@ -165,7 +171,7 @@ jobs:
         run: npm run test
 
   check-version:
-    name: "Check version"
+    name: 'Check version'
     runs-on: ubuntu-latest
 
     steps:
diff --git a/Dockerfile b/Dockerfile
index 9ba4da0..6282310 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1.0.0-experimental
 
-FROM node:14.17.0-alpine AS build
+FROM node:16-alpine AS build
 
 # Allow log level to be controlled. Uses an argument name that is different
 # from the existing environment variable, otherwise the environment variable
@@ -14,14 +14,14 @@ RUN apk update && \
 WORKDIR /vitalam-identity-service
 
 # Install base dependencies
-RUN npm -g install npm@latest
+RUN npm -g install npm@8.x.x
 
 COPY . .
 RUN npm ci --production
 
 ##################################################################################################
 
-FROM node:14.17.0-alpine AS runtime
+FROM node:16-alpine AS runtime
 
 WORKDIR /vitalam-identity-service
 
diff --git a/helm/vitalam-identity-service/Chart.yaml b/helm/vitalam-identity-service/Chart.yaml
index 1200961..aabede4 100644
--- a/helm/vitalam-identity-service/Chart.yaml
+++ b/helm/vitalam-identity-service/Chart.yaml
@@ -1,8 +1,8 @@
 apiVersion: v2
 name: vitalam-identity-service
-appVersion: '0.0.3'
+appVersion: '0.0.4'
 description: A Helm chart for vitalam-identity-service
-version: '0.0.3'
+version: '0.0.4'
 type: application
 maintainers:
   - name: digicatapult
diff --git a/helm/vitalam-identity-service/values.yaml b/helm/vitalam-identity-service/values.yaml
index 489a3a8..67c9abf 100644
--- a/helm/vitalam-identity-service/values.yaml
+++ b/helm/vitalam-identity-service/values.yaml
@@ -17,5 +17,5 @@ config:
 image:
   repository: ghcr.io/digicatapult/vitalam-identity-service
   pullPolicy: IfNotPresent
-  tag: 'v0.0.3'
+  tag: 'v0.0.4'
   pullSecrets: ['ghcr-digicatapult']
diff --git a/package-lock.json b/package-lock.json
index 1223610..62c08e5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@digicatapult/vitalam-identity-service",
-  "version": "0.0.3",
+  "version": "0.0.4",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@digicatapult/vitalam-identity-service",
-      "version": "0.0.3",
+      "version": "0.0.4",
       "license": "Apache-2.0",
       "dependencies": {
         "@polkadot/api": "^5.9.1",
@@ -43,7 +43,8 @@
         "supertest": "^6.1.3"
       },
       "engines": {
-        "node": ">=14.17.0"
+        "node": "16.x.x",
+        "npm": "8.x.x"
       }
     },
     "node_modules/@babel/code-frame": {
diff --git a/package.json b/package.json
index b1852af..f0393ff 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@digicatapult/vitalam-identity-service",
-  "version": "0.0.3",
+  "version": "0.0.4",
   "description": "Identity Service for VITALam",
   "main": "app/index.js",
   "scripts": {
@@ -16,7 +16,8 @@
     "url": "git+https://github.com/digicatapult/vitalam-identity-service.git"
   },
   "engines": {
-    "node": ">=14.17.0"
+    "node": "16.x.x",
+    "npm": "8.x.x"
   },
   "keywords": [
     "VITALam"