diff --git a/package-lock.json b/package-lock.json
index 82c0ccb4..a4413de3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,7 +30,7 @@
         "@smithy/util-utf8": "^2.0.0",
         "@types/chai": "^4.2.12",
         "@types/mocha": "^10.0.0",
-        "@types/node": "^18.7.18",
+        "@types/node": "^20.11.6",
         "@types/sinon": "^10.0.13",
         "chai": "^4.2.0",
         "dot-prop": "^7.2.0",
@@ -2822,10 +2822,13 @@
       "dev": true
     },
     "node_modules/@types/node": {
-      "version": "18.17.17",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.17.17.tgz",
-      "integrity": "sha512-cOxcXsQ2sxiwkykdJqvyFS+MLQPLvIdwh5l6gNg8qF6s+C7XSkEWOZjK+XhUZd+mYvHV/180g2cnCcIl4l06Pw==",
-      "dev": true
+      "version": "20.11.6",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.11.6.tgz",
+      "integrity": "sha512-+EOokTnksGVgip2PbYbr3xnR7kZigh4LbybAfBAw5BpnQ+FqBYUsvCEjYd70IXKlbohQ64mzEYmMtlWUY8q//Q==",
+      "dev": true,
+      "dependencies": {
+        "undici-types": "~5.26.4"
+      }
     },
     "node_modules/@types/normalize-package-data": {
       "version": "2.4.1",
@@ -12609,6 +12612,12 @@
         "node": ">=0.8.0"
       }
     },
+    "node_modules/undici-types": {
+      "version": "5.26.5",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
+      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==",
+      "dev": true
+    },
     "node_modules/unique-filename": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/unique-filename/-/unique-filename-2.0.1.tgz",
diff --git a/package.json b/package.json
index 40d5c411..04507a06 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "@smithy/util-utf8": "^2.0.0",
     "@types/chai": "^4.2.12",
     "@types/mocha": "^10.0.0",
-    "@types/node": "^18.7.18",
+    "@types/node": "^20.11.6",
     "@types/sinon": "^10.0.13",
     "chai": "^4.2.0",
     "dot-prop": "^7.2.0",