diff --git a/package-lock.json b/package-lock.json
index ce576d2..a3a7b76 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "4.0.1",
       "license": "MIT",
       "dependencies": {
-        "is-what": "^4.1.8"
+        "is-what": "^5.0.1"
       },
       "devDependencies": {
         "@cycraft/eslint": "^0.3.0",
@@ -4865,12 +4865,12 @@
       }
     },
     "node_modules/is-what": {
-      "version": "4.1.16",
-      "resolved": "https://registry.npmjs.org/is-what/-/is-what-4.1.16.tgz",
-      "integrity": "sha512-ZhMwEosbFJkA0YhFnNDgTM4ZxDRsS6HqTo7qsZM08fehyRYIYa0yHu5R6mgo1n/8MgaPBXiPimPD77baVFYg+A==",
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/is-what/-/is-what-5.0.1.tgz",
+      "integrity": "sha512-F7VJfp8kenkj5U9iEJS1xn5IFvYXB5lJfsrUgIIknjtC4zN60NsiQiqZKIM3ekdFsTrnU5yxCcv+dDcddntRog==",
       "license": "MIT",
       "engines": {
-        "node": ">=12.13"
+        "node": ">=18"
       },
       "funding": {
         "url": "https://github.com/sponsors/mesqueeb"
diff --git a/package.json b/package.json
index 3427286..71590c5 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "release": "npm run lint && npm run build && np"
   },
   "dependencies": {
-    "is-what": "^4.1.8"
+    "is-what": "^5.0.1"
   },
   "devDependencies": {
     "del-cli": "^5.1.0",