diff --git a/package-lock.json b/package-lock.json
index 6e0fbda..fe23309 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
       "devDependencies": {
         "@eslint/js": "^10.0.0",
         "@rollup/plugin-terser": "0.4.4",
-        "@tsconfig/node16": "^16.1.1",
+        "@tsconfig/node18": "^18.2.0",
         "@types/chai": "^4.3.9",
         "@types/mocha": "^10.0.3",
         "@types/node": "24.12.0",
@@ -686,10 +686,10 @@
         "win32"
       ]
     },
-    "node_modules/@tsconfig/node16": {
-      "version": "16.1.8",
-      "resolved": "https://registry.npmjs.org/@tsconfig/node16/-/node16-16.1.8.tgz",
-      "integrity": "sha512-T/CfdwFry660WjZor56z0F3pxeCllt8KOxWcHFW6ZEuULKUObTDEMdgtctyuJPxwqyWDsvHRfxHaJ4FIICyoqQ==",
+    "node_modules/@tsconfig/node18": {
+      "version": "18.2.6",
+      "resolved": "https://registry.npmjs.org/@tsconfig/node18/-/node18-18.2.6.tgz",
+      "integrity": "sha512-eAWQzAjPj18tKnDzmWstz4OyWewLUNBm9tdoN9LayzoboRktYx3Enk1ZXPmThj55L7c4VWYq/Bzq0A51znZfhw==",
       "dev": true
     },
     "node_modules/@types/chai": {
@@ -3509,10 +3509,10 @@
       "dev": true,
       "optional": true
     },
-    "@tsconfig/node16": {
-      "version": "16.1.8",
-      "resolved": "https://registry.npmjs.org/@tsconfig/node16/-/node16-16.1.8.tgz",
-      "integrity": "sha512-T/CfdwFry660WjZor56z0F3pxeCllt8KOxWcHFW6ZEuULKUObTDEMdgtctyuJPxwqyWDsvHRfxHaJ4FIICyoqQ==",
+    "@tsconfig/node18": {
+      "version": "18.2.6",
+      "resolved": "https://registry.npmjs.org/@tsconfig/node18/-/node18-18.2.6.tgz",
+      "integrity": "sha512-eAWQzAjPj18tKnDzmWstz4OyWewLUNBm9tdoN9LayzoboRktYx3Enk1ZXPmThj55L7c4VWYq/Bzq0A51znZfhw==",
       "dev": true
     },
     "@types/chai": {
diff --git a/package.json b/package.json
index 2bafe23..3d416ff 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
   "devDependencies": {
     "@eslint/js": "^10.0.0",
     "@rollup/plugin-terser": "0.4.4",
-    "@tsconfig/node16": "^16.1.1",
+    "@tsconfig/node18": "^18.2.0",
     "@types/chai": "^4.3.9",
     "@types/mocha": "^10.0.3",
     "@types/node": "24.12.0",
diff --git a/tsconfig.json b/tsconfig.json
index a38aa63..f843aec 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,5 +1,5 @@
 {
-    "extends": "@tsconfig/node16/tsconfig.json",
+    "extends": "@tsconfig/node18/tsconfig.json",
     "files": [
         "src/env.js"
     ],