diff --git a/package-lock.json b/package-lock.json
index f0e67ea7..0ee1d65f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10863,8 +10863,9 @@
       }
     },
     "node_modules/ltx": {
-      "version": "3.0.0",
-      "license": "MIT",
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/ltx/-/ltx-3.1.1.tgz",
+      "integrity": "sha512-1p19JqGI/OZEe4XoBM1i5/P2X/gO14RVqWgbPZJE5xOKrhbR7DznKi8hJhe1vTmgA6MSbE7Khg1uJMBxid4uCQ==",
       "engines": {
         "node": ">= 12.4.0"
       }
@@ -15854,7 +15855,7 @@
       "license": "ISC",
       "dependencies": {
         "@xmpp/xml": "^0.13.2",
-        "ltx": "3.0.0"
+        "ltx": "^3.1.1"
       },
       "engines": {
         "node": ">= 14"
@@ -16073,7 +16074,7 @@
         "@xmpp/events": "^0.13.2",
         "@xmpp/jid": "^0.13.2",
         "@xmpp/xml": "^0.13.2",
-        "ltx": "3.0.0"
+        "ltx": "^3.1.1"
       },
       "engines": {
         "node": ">= 14"
@@ -16129,7 +16130,7 @@
       "version": "0.13.2",
       "license": "ISC",
       "dependencies": {
-        "ltx": "3.0.0"
+        "ltx": "^3.1.1"
       },
       "engines": {
         "node": ">= 14"
diff --git a/packages/debug/index.js b/packages/debug/index.js
index fdba9643..9e05a1db 100644
--- a/packages/debug/index.js
+++ b/packages/debug/index.js
@@ -2,9 +2,9 @@
 
 /* eslint no-console: 0 */
 
-const stringify = require("ltx/lib/stringify");
+const stringify = require("ltx/lib/stringify.js");
 const xml = require("@xmpp/xml");
-const clone = require("ltx/lib/clone");
+const clone = require("ltx/lib/clone.js");
 
 const NS_SASL = "urn:ietf:params:xml:ns:xmpp-sasl";
 const NS_COMPONENT = "jabber:component:accept";
diff --git a/packages/debug/package.json b/packages/debug/package.json
index bc5ad378..94bc2a2c 100644
--- a/packages/debug/package.json
+++ b/packages/debug/package.json
@@ -15,7 +15,7 @@
   },
   "dependencies": {
     "@xmpp/xml": "^0.13.2",
-    "ltx": "3.0.0"
+    "ltx": "^3.1.1"
   },
   "publishConfig": {
     "access": "public"
diff --git a/packages/test/context.js b/packages/test/context.js
index a78f85da..facfe4f4 100644
--- a/packages/test/context.js
+++ b/packages/test/context.js
@@ -6,7 +6,7 @@ const xml = require("@xmpp/xml");
 const debug = require("@xmpp/debug");
 const JID = require("@xmpp/jid");
 const mockSocket = require("./mockSocket");
-const clone = require("ltx/lib/clone");
+const clone = require("ltx/lib/clone.js");
 
 module.exports = function context(entity = client()) {
   debug(entity);
diff --git a/packages/test/package.json b/packages/test/package.json
index 6cd98677..e43570e5 100644
--- a/packages/test/package.json
+++ b/packages/test/package.json
@@ -20,7 +20,7 @@
     "@xmpp/events": "^0.13.2",
     "@xmpp/jid": "^0.13.2",
     "@xmpp/xml": "^0.13.2",
-    "ltx": "3.0.0"
+    "ltx": "^3.1.1"
   },
   "publishConfig": {
     "access": "public"
diff --git a/packages/xml/index.js b/packages/xml/index.js
index 9ebeb727..b8ec232e 100644
--- a/packages/xml/index.js
+++ b/packages/xml/index.js
@@ -1,15 +1,15 @@
 "use strict";
 
-const Element = require("ltx/lib/Element");
-const createElement = require("ltx/lib/createElement");
-const Parser = require("./lib/Parser");
+const Element = require("ltx/lib/Element.js");
+const createElement = require("ltx/lib/createElement.js");
+const Parser = require("./lib/Parser.js");
 const {
   escapeXML,
   unescapeXML,
   escapeXMLText,
   unescapeXMLText,
-} = require("ltx/lib/escape");
-const XMLError = require("./lib/XMLError");
+} = require("ltx/lib/escape.js");
+const XMLError = require("./lib/XMLError.js");
 
 function xml(...args) {
   return createElement(...args);
diff --git a/packages/xml/lib/Parser.js b/packages/xml/lib/Parser.js
index 06b9ce1b..5e8c857f 100644
--- a/packages/xml/lib/Parser.js
+++ b/packages/xml/lib/Parser.js
@@ -1,9 +1,9 @@
 "use strict";
 
-const LtxParser = require("ltx/lib/parsers/ltx");
-const Element = require("ltx/lib/Element");
+const LtxParser = require("ltx/lib/parsers/ltx.js");
+const Element = require("ltx/lib/Element.js");
 const EventEmitter = require("events");
-const XMLError = require("./XMLError");
+const XMLError = require("./XMLError.js");
 
 class Parser extends EventEmitter {
   constructor() {
diff --git a/packages/xml/package.json b/packages/xml/package.json
index 352458a9..475e9ced 100644
--- a/packages/xml/package.json
+++ b/packages/xml/package.json
@@ -14,7 +14,7 @@
     "presence"
   ],
   "dependencies": {
-    "ltx": "3.0.0"
+    "ltx": "^3.1.1"
   },
   "engines": {
     "node": ">= 14"
diff --git a/packages/xml/test/xml.js b/packages/xml/test/xml.js
index cc8d3153..9f4b8c90 100644
--- a/packages/xml/test/xml.js
+++ b/packages/xml/test/xml.js
@@ -2,15 +2,15 @@
 
 const test = require("ava");
 const xml = require("..");
-const createElement = require("ltx/lib/createElement");
-const Element = require("ltx/lib/Element");
-const Parser = require("../lib/Parser");
+const createElement = require("ltx/lib/createElement.js");
+const Element = require("ltx/lib/Element.js");
+const Parser = require("../lib/Parser.js");
 const {
   escapeXML,
   unescapeXML,
   escapeXMLText,
   unescapeXMLText,
-} = require("ltx/lib/escape");
+} = require("ltx/lib/escape.js");
 
 test("exports createElement", (t) => {
   t.is(xml.createElement, createElement);