diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c099965d..db3c05f8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,7 +6,7 @@ jobs:
     strategy:
       matrix:
         arango-image: ['arangodb:3.6', 'arangodb:3.7', 'arangodb:3.8', 'arangodb:3.9']
-        node-version: [14.x, 16.x]
+        node-version: [14.x, 16.x, 18.x]
     steps:
       - uses: actions/checkout@v2
       - name: Use Node.js ${{ matrix.node-version }}
@@ -38,7 +38,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
-          node-version: 16
+          node-version: 18
           registry-url: https://registry.npmjs.org/
       - run: npm ci
       - run: npm publish --tag next
diff --git a/.nvmrc b/.nvmrc
index b6a7d89c..3c032078 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-16
+18
diff --git a/package-lock.json b/package-lock.json
index 880c5ae8..7e777cce 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -38,7 +38,7 @@
         "@types/deep-equal-in-any-order": "^1.0.1",
         "@types/lodash": "^4.14.184",
         "@types/mocha": "^9.1.1",
-        "@types/node": "^16.11.43",
+        "@types/node": "^18.11.18",
         "@types/pluralize": "0.0.29",
         "@types/uuid": "^8.3.4",
         "ajv-cli": "^5.0.0",
@@ -1275,9 +1275,9 @@
       "dev": true
     },
     "node_modules/@types/node": {
-      "version": "16.11.56",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-16.11.56.tgz",
-      "integrity": "sha512-aFcUkv7EddxxOa/9f74DINReQ/celqH8DiB3fRYgVDM2Xm5QJL8sl80QKuAnGvwAsMn+H3IFA6WCrQh1CY7m1A=="
+      "version": "18.11.18",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.11.18.tgz",
+      "integrity": "sha512-DHQpWGjyQKSHj3ebjFI/wRKcqQcdR+MoFBygntYOZytCqNfkd2ZC4ARDJ2DQqhjH5p85Nnd3jhUJIXrszFX/JA=="
     },
     "node_modules/@types/normalize-package-data": {
       "version": "2.4.0",
@@ -8164,9 +8164,9 @@
       "dev": true
     },
     "@types/node": {
-      "version": "16.11.56",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-16.11.56.tgz",
-      "integrity": "sha512-aFcUkv7EddxxOa/9f74DINReQ/celqH8DiB3fRYgVDM2Xm5QJL8sl80QKuAnGvwAsMn+H3IFA6WCrQh1CY7m1A=="
+      "version": "18.11.18",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.11.18.tgz",
+      "integrity": "sha512-DHQpWGjyQKSHj3ebjFI/wRKcqQcdR+MoFBygntYOZytCqNfkd2ZC4ARDJ2DQqhjH5p85Nnd3jhUJIXrszFX/JA=="
     },
     "@types/normalize-package-data": {
       "version": "2.4.0",
diff --git a/package.json b/package.json
index 0b0bdf9a..8f7dc3e8 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "@types/deep-equal-in-any-order": "^1.0.1",
     "@types/lodash": "^4.14.184",
     "@types/mocha": "^9.1.1",
-    "@types/node": "^16.11.43",
+    "@types/node": "^18.11.18",
     "@types/pluralize": "0.0.29",
     "@types/uuid": "^8.3.4",
     "ajv-cli": "^5.0.0",
diff --git a/spec/regression/initialization.ts b/spec/regression/initialization.ts
index 7666ca1c..0714b972 100644
--- a/spec/regression/initialization.ts
+++ b/spec/regression/initialization.ts
@@ -6,7 +6,8 @@ import stripJsonComments from 'strip-json-comments';
 import { ArangoDBConfig } from '../../src/database/arangodb';
 
 const DATABASE_NAME = 'cruddl-test-temp';
-const DATABASE_URL = 'http://root:@localhost:8529';
+// arangodb only listens on ipv4, but localhost may resolve to ::1, so explicitly state 127.0.0.1
+const DATABASE_URL = 'http://root:@127.0.0.1:8529';
 
 export async function createTempDatabase(): Promise<ArangoDBConfig> {
     const systemDatabase = new Database({