diff --git a/.tool-versions b/.tool-versions
index e3c428a..570693f 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,4 +1,4 @@
-nodejs 20.10.0 # Keep in sync with package.json.
+nodejs 20.11.1 # Keep in sync with package.json.
 yarn 1.22.19
 python 3.12.1 # Keep in sync with .pre-commit-config.yaml and pyproject.toml.
 poetry 1.7.1
diff --git a/package.json b/package.json
index 29a1bf6..ba56b2b 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "test": "yarn run tsc && yarn run jest:esm"
   },
   "engines": {
-    "node": "20.10.0",
+    "node": "20.11.1",
     "yarn": "4.0.2"
   },
   "packageManager": "yarn@4.0.2",
@@ -33,7 +33,7 @@
     "@tsconfig/strictest": "2.0.2",
     "@types/eslint": "8.56.1",
     "@types/jest": "29.5.11",
-    "@types/node": "20.10.7",
+    "@types/node": "20.11.27",
     "@typescript-eslint/eslint-plugin": "6.18.1",
     "@typescript-eslint/parser": "6.18.1",
     "@vercel/ncc": "0.38.1",
diff --git a/yarn.lock b/yarn.lock
index b867612..07edcd4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1289,21 +1289,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/node@npm:*":
-  version: 20.11.24
-  resolution: "@types/node@npm:20.11.24"
+"@types/node@npm:*, @types/node@npm:20.11.27":
+  version: 20.11.27
+  resolution: "@types/node@npm:20.11.27"
   dependencies:
     undici-types: "npm:~5.26.4"
-  checksum: 5a62225eb4797b41e6953f9c08c4611d607b5422ddd153312fc81ed6ed37115228ae27e3e3caa1a3bf52d88310306a196ba1cfbd8b2ec918a20f64d80dfa22c9
-  languageName: node
-  linkType: hard
-
-"@types/node@npm:20.10.7":
-  version: 20.10.7
-  resolution: "@types/node@npm:20.10.7"
-  dependencies:
-    undici-types: "npm:~5.26.4"
-  checksum: d626cea1b7da4784ee7b335dcc54e64adba9725dab7ca51a690167de502ef89fec07b05ad8e25845d188d7ad7f72c192ec92964d456321ed5b9452113bf9351f
+  checksum: ec40bea80c60a12b39bd0da9b16333237a84c67ae83c8aa382b88381ae3948943bf6af969442e209270ad3e109f301a6b01ab243f80bd0e69673a877425f9418
   languageName: node
   linkType: hard
 
@@ -2344,7 +2335,7 @@ __metadata:
     "@tsconfig/strictest": "npm:2.0.2"
     "@types/eslint": "npm:8.56.1"
     "@types/jest": "npm:29.5.11"
-    "@types/node": "npm:20.10.7"
+    "@types/node": "npm:20.11.27"
     "@typescript-eslint/eslint-plugin": "npm:6.18.1"
     "@typescript-eslint/parser": "npm:6.18.1"
     "@vercel/ncc": "npm:0.38.1"