diff --git a/lib/contentTypeParser.js b/lib/contentTypeParser.js
index 8f46dd0b61..3326e192c3 100644
--- a/lib/contentTypeParser.js
+++ b/lib/contentTypeParser.js
@@ -94,9 +94,8 @@ ContentTypeParser.prototype.getParser = function (contentType) {
     return this.customParsers.get(contentType)
   }
 
-  if (this.cache.has(contentType)) {
-    return this.cache.get(contentType)
-  }
+  const parser = this.cache.get(contentType)
+  if (parser !== undefined) return parser
 
   // eslint-disable-next-line no-var
   for (var i = 0; i !== this.parserList.length; ++i) {
diff --git a/package.json b/package.json
index 6dd992d589..ed5c910b3f 100644
--- a/package.json
+++ b/package.json
@@ -184,7 +184,7 @@
     "rfdc": "^1.3.0",
     "secure-json-parse": "^2.5.0",
     "semver": "^7.3.7",
-    "tiny-lru": "^9.0.2"
+    "tiny-lru": "^10.0.0"
   },
   "standard": {
     "ignore": [