diff --git a/HISTORY.md b/HISTORY.md
index c9b0b5b9..e5c4fde6 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,3 +1,9 @@
+1.20.5 / 2026-04-24
+===================
+* refactor(json): simplify strict mode error string construction 
+* fix: extended urlencoded parsing of arrays with >100 elements (#716)
+* deps: qs@~6.15.1
+
 1.20.4 / 2025-12-01
 ===================
 
diff --git a/lib/types/json.js b/lib/types/json.js
index 59f3f7e2..d1f510d9 100644
--- a/lib/types/json.js
+++ b/lib/types/json.js
@@ -158,11 +158,7 @@ function createStrictSyntaxError (str, char) {
   var partial = ''
 
   if (index !== -1) {
-    partial = str.substring(0, index) + JSON_SYNTAX_CHAR
-
-    for (var i = index + 1; i < str.length; i++) {
-      partial += JSON_SYNTAX_CHAR
-    }
+    partial = str.substring(0, index) + new Array(str.length - index + 1).join(JSON_SYNTAX_CHAR)
   }
 
   try {
diff --git a/lib/types/urlencoded.js b/lib/types/urlencoded.js
index 832992c2..892e3469 100644
--- a/lib/types/urlencoded.js
+++ b/lib/types/urlencoded.js
@@ -206,16 +206,15 @@ function getCharset (req) {
 
 function parameterCount (body, limit) {
   var count = 0
-  var index = 0
+  var index = -1
 
-  while ((index = body.indexOf('&', index)) !== -1) {
+  do {
     count++
-    index++
-
-    if (count === limit) {
+    if (count > limit) {
       return undefined
     }
-  }
+    index = body.indexOf('&', index + 1)
+  } while (index !== -1)
 
   return count
 }
diff --git a/package.json b/package.json
index c8e61c19..a1d16f88 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "body-parser",
   "description": "Node.js body parsing middleware",
-  "version": "1.20.4",
+  "version": "1.20.5",
   "contributors": [
     "Douglas Christopher Wilson <doug@somethingdoug.com>",
     "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)"
@@ -17,7 +17,7 @@
     "http-errors": "~2.0.1",
     "iconv-lite": "~0.4.24",
     "on-finished": "~2.4.1",
-    "qs": "~6.14.0",
+    "qs": "~6.15.1",
     "raw-body": "~2.5.3",
     "type-is": "~1.6.18",
     "unpipe": "~1.0.0"