diff --git a/bootstrap/package-lock.json b/bootstrap/package-lock.json
index 91c4a58..4467e9f 100644
--- a/bootstrap/package-lock.json
+++ b/bootstrap/package-lock.json
@@ -23,7 +23,7 @@
         "prismjs": "^1.29.0"
       },
       "engines": {
-        "node": "^18"
+        "node": "^20.0.0"
       }
     },
     "node_modules/@jridgewell/gen-mapping": {
diff --git a/bootstrap/package.json b/bootstrap/package.json
index 0f1894c..d48cbca 100644
--- a/bootstrap/package.json
+++ b/bootstrap/package.json
@@ -4,7 +4,7 @@
   "description": "getlaminas.org Bootstrap based theme",
   "repository": "https://github.com/laminas/getlaminas.org",
   "engines": {
-    "node": "^18"
+    "node": "^20.0.0"
   },
   "license": "BSD-3-Clause",
   "devDependencies": {