diff --git a/package-lock.json b/package-lock.json
index 13e2692..c2fce54 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.1.0",
       "license": "MIT",
       "devDependencies": {
-        "@types/config": "^3.3.3",
+        "@types/config": "^4.0.0",
         "config": "^4.0.0",
         "mocha": "^11.0.0",
         "nyc": "^18.0.0"
@@ -472,11 +472,15 @@
       }
     },
     "node_modules/@types/config": {
-      "version": "3.3.5",
-      "resolved": "https://registry.npmjs.org/@types/config/-/config-3.3.5.tgz",
-      "integrity": "sha512-itq2HtXQBrNUKwMNZnb9mBRE3T99VYCdl1gjST9rq+9kFaB1iMMGuDeZnP88qid73DnpAMKH9ZolqDpS1Lz7+w==",
+      "version": "4.4.0",
+      "resolved": "https://registry.npmjs.org/@types/config/-/config-4.4.0.tgz",
+      "integrity": "sha512-+82/thz8il6uR6mWFuMTWyC+jSXE4PIZUPmAfKUDOuvNULq3BPLM+tSKsAe3eOIOMKx5azvg3Q3JljWV9yX7aw==",
+      "deprecated": "This is a stub types definition. config provides its own type definitions, so you do not need this installed.",
       "dev": true,
-      "license": "MIT"
+      "license": "MIT",
+      "dependencies": {
+        "config": "*"
+      }
     },
     "node_modules/aggregate-error": {
       "version": "3.1.0",
diff --git a/package.json b/package.json
index 47b6629..0d6f021 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
   },
   "homepage": "https://github.com/sjinks/node-config-reloadable#readme",
   "devDependencies": {
-    "@types/config": "^3.3.3",
+    "@types/config": "^4.0.0",
     "config": "^4.0.0",
     "mocha": "^11.0.0",
     "nyc": "^18.0.0"