diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0653891..3a9db70 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,13 +10,12 @@ on:
 
 jobs:
   test:
-    name: Test on node ${{ matrix.node }} and ${{ matrix.os }}
+    name: Test on ${{ matrix.os }}
 
     runs-on: ${{ matrix.os }}
 
     strategy:
       matrix:
-        node: [20, 22]
         os:
           - ubuntu-latest
           - windows-latest
@@ -30,7 +29,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v4
         with:
-          node-version: ${{ matrix.node }}
+          node-version: lts/*
       - name: Start xvfb
         run: |
           /usr/bin/Xvfb :99 -screen 0 1024x768x24 > /dev/null 2>&1 &
diff --git a/package-lock.json b/package-lock.json
index 714c487..b1c2071 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
       },
       "devDependencies": {
         "@types/mocha": "^10.0.10",
-        "@types/node": "^20.14.8",
+        "@types/node": "^18.19.74",
         "@types/vscode": "^1.82.0",
         "@typescript-eslint/eslint-plugin": "^8.22.0",
         "@typescript-eslint/parser": "^8.22.0",
@@ -502,13 +502,12 @@
       "dev": true
     },
     "node_modules/@types/node": {
-      "version": "20.17.17",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.17.17.tgz",
-      "integrity": "sha512-/WndGO4kIfMicEQLTi/mDANUu/iVUhT7KboZPdEqqHQ4aTS+3qT3U5gIqWDFV+XouorjfgGqvKILJeHhuQgFYg==",
+      "version": "18.19.74",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.19.74.tgz",
+      "integrity": "sha512-HMwEkkifei3L605gFdV+/UwtpxP6JSzM+xFk2Ia6DNFSwSVBRh9qp5Tgf4lNFOMfPVuU0WnkcWpXZpgn5ufO4A==",
       "dev": true,
-      "license": "MIT",
       "dependencies": {
-        "undici-types": "~6.19.2"
+        "undici-types": "~5.26.4"
       }
     },
     "node_modules/@types/vscode": {
@@ -5716,11 +5715,10 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "6.19.8",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.19.8.tgz",
-      "integrity": "sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw==",
-      "dev": true,
-      "license": "MIT"
+      "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/uri-js": {
       "version": "4.4.1",
diff --git a/package.json b/package.json
index aa789a1..49d3a4e 100644
--- a/package.json
+++ b/package.json
@@ -110,7 +110,7 @@
   },
   "devDependencies": {
     "@types/mocha": "^10.0.10",
-    "@types/node": "^20.14.8",
+    "@types/node": "^18.19.74",
     "@types/vscode": "^1.82.0",
     "@typescript-eslint/eslint-plugin": "^8.22.0",
     "@typescript-eslint/parser": "^8.22.0",
diff --git a/renovate.json b/renovate.json
index c062e42..4f27aef 100644
--- a/renovate.json
+++ b/renovate.json
@@ -9,7 +9,7 @@
     {
       "description": "Use types of the minimum supported Node version",
       "matchPackageNames": ["@types/node"],
-      "allowedVersions": "<21"
+      "allowedVersions": "=18"
     }
   ],
   "schedule": ["on Wednesday"]