diff --git a/patches/express+4.18.2.patch b/patches/express+4.18.2.patch
deleted file mode 100644
index de52db6..0000000
--- a/patches/express+4.18.2.patch
+++ /dev/null
@@ -1,62 +0,0 @@
-diff --git a/node_modules/express/lib/response.js b/node_modules/express/lib/response.js
-index fede486..e3d868e 100644
---- a/node_modules/express/lib/response.js
-+++ b/node_modules/express/lib/response.js
-@@ -27,7 +27,6 @@ var merge = require('utils-merge');
- var sign = require('cookie-signature').sign;
- var normalizeType = require('./utils').normalizeType;
- var normalizeTypes = require('./utils').normalizeTypes;
--var setCharset = require('./utils').setCharset;
- var cookie = require('cookie');
- var send = require('send');
- var extname = path.extname;
-@@ -49,13 +48,6 @@ var res = Object.create(http.ServerResponse.prototype)
- 
- module.exports = res
- 
--/**
-- * Module variables.
-- * @private
-- */
--
--var charsetRegExp = /;\s*charset\s*=/;
--
- /**
-  * Set status `code`.
-  *
-@@ -164,17 +156,6 @@ res.send = function send(body) {
-       break;
-   }
- 
--  // write strings in utf-8
--  if (typeof chunk === 'string') {
--    encoding = 'utf8';
--    type = this.get('Content-Type');
--
--    // reflect this in content-type
--    if (typeof type === 'string') {
--      this.set('Content-Type', setCharset(type, 'utf-8'));
--    }
--  }
--
-   // determine if ETag should be generated
-   var etagFn = app.get('etag fn')
-   var generateETag = !this.get('ETag') && typeof etagFn === 'function'
-@@ -780,17 +761,6 @@ res.header = function header(field, val) {
-       ? val.map(String)
-       : String(val);
- 
--    // add charset to content-type
--    if (field.toLowerCase() === 'content-type') {
--      if (Array.isArray(value)) {
--        throw new TypeError('Content-Type cannot be set to an Array');
--      }
--      if (!charsetRegExp.test(value)) {
--        var charset = mime.charsets.lookup(value.split(';')[0]);
--        if (charset) value += '; charset=' + charset.toLowerCase();
--      }
--    }
--
-     this.setHeader(field, value);
-   } else {
-     for (var key in field) {
diff --git a/patches/express+4.19.2.patch b/patches/express+4.19.2.patch
new file mode 100644
index 0000000..c69be20
--- /dev/null
+++ b/patches/express+4.19.2.patch
@@ -0,0 +1,55 @@
+diff --git a/node_modules/express/lib/response.js b/node_modules/express/lib/response.js
+index dd7b3c8..a339896 100644
+--- a/node_modules/express/lib/response.js
++++ b/node_modules/express/lib/response.js
+@@ -27,7 +27,6 @@ var merge = require('utils-merge');
+ var sign = require('cookie-signature').sign;
+ var normalizeType = require('./utils').normalizeType;
+ var normalizeTypes = require('./utils').normalizeTypes;
+-var setCharset = require('./utils').setCharset;
+ var cookie = require('cookie');
+ var send = require('send');
+ var extname = path.extname;
+@@ -54,7 +53,6 @@ module.exports = res
+  * @private
+  */
+ 
+-var charsetRegExp = /;\s*charset\s*=/;
+ var schemaAndHostRegExp = /^(?:[a-zA-Z][a-zA-Z0-9+.-]*:)?\/\/[^\\\/\?]+/;
+ 
+ /**
+@@ -165,16 +163,6 @@ res.send = function send(body) {
+       break;
+   }
+ 
+-  // write strings in utf-8
+-  if (typeof chunk === 'string') {
+-    encoding = 'utf8';
+-    type = this.get('Content-Type');
+-
+-    // reflect this in content-type
+-    if (typeof type === 'string') {
+-      this.set('Content-Type', setCharset(type, 'utf-8'));
+-    }
+-  }
+ 
+   // determine if ETag should be generated
+   var etagFn = app.get('etag fn')
+@@ -781,17 +769,6 @@ res.header = function header(field, val) {
+       ? val.map(String)
+       : String(val);
+ 
+-    // add charset to content-type
+-    if (field.toLowerCase() === 'content-type') {
+-      if (Array.isArray(value)) {
+-        throw new TypeError('Content-Type cannot be set to an Array');
+-      }
+-      if (!charsetRegExp.test(value)) {
+-        var charset = mime.charsets.lookup(value.split(';')[0]);
+-        if (charset) value += '; charset=' + charset.toLowerCase();
+-      }
+-    }
+-
+     this.setHeader(field, value);
+   } else {
+     for (var key in field) {