diff --git a/.codesandbox/ci.json b/.codesandbox/ci.json
index 4ee8928..8062dd1 100644
--- a/.codesandbox/ci.json
+++ b/.codesandbox/ci.json
@@ -4,7 +4,7 @@
         "opensky-api-frontend-y0mj7o",
         "opensky-api-node-l2nj36"
     ],
-    "node": "20",
+    "node": "18",
     "publishDirectory": {
         "opensky-api": "."
     }
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c91c0a6..b6a3bf1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [20.x, 21.x, 22.x]
+        node-version: [18.x, 20.x, 21.x]
     steps:
       - uses: actions/checkout@v3
       - name: Node LTS versions
diff --git a/package.json b/package.json
index d9b9c79..bbaf0e4 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "prepare-release": "run-s reset-hard test doc:html doc:publish"
   },
   "engines": {
-    "node": ">=20"
+    "node": ">=18"
   },
   "dependencies": {
     "axios": "^1.6.7",