diff --git a/CHANGELOG.md b/CHANGELOG.md
index d086d3f04..ee9afb1ae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,16 +2,22 @@
 
 ## [Unreleased]
 
+## [v1.13.0] - 2024-09-11
+
+### Fixed
+
+-   Fix for - [#760](https://github.com/postmanlabs/postman-code-generators/issues/760) Fixed package installation issues with yarn (v4) and pnpm.
+
 ## [v1.12.0] - 2024-07-22
 
 ### Chore
 
--  Updated postman-collection sdk to version 4.4.0 in missing codegens.
+-   Updated postman-collection sdk to version 4.4.0 in missing codegens.
 
 ### Fixed
 
--  Fix typo in Content-Header for audio/midi files in codegens.
--  Added support for NTLM auth support in cURL codegen.
+-   Fix typo in Content-Header for audio/midi files in codegens.
+-   Added support for NTLM auth support in cURL codegen.
 
 ## [v1.11.0] - 2024-07-10
 
@@ -170,7 +176,9 @@ v1.0.0 (May 29, 2020)
 -   Add ES6 syntax support for NodeJS Request, NodeJS Native and NodeJS Unirest
 -   Fix snippet generation for powershell and jquery, where form data params had no type field
 
-[Unreleased]: https://github.com/postmanlabs/postman-code-generators/compare/v1.12.0...HEAD
+[Unreleased]: https://github.com/postmanlabs/postman-code-generators/compare/v1.13.0...HEAD
+
+[v1.13.0]: https://github.com/postmanlabs/postman-code-generators/compare/v1.12.0...v1.13.0
 
 [v1.12.0]: https://github.com/postmanlabs/postman-code-generators/compare/v1.11.0...v1.12.0
 
diff --git a/codegens/golang/lib/index.js b/codegens/golang/lib/index.js
index c2fcd0dae..b9436889c 100644
--- a/codegens/golang/lib/index.js
+++ b/codegens/golang/lib/index.js
@@ -238,11 +238,11 @@ self = module.exports = {
     }
     if (isFile) {
       codeSnippet += `${indent}"os"\n${indent}"path/filepath"\n`;
-      codeSnippet += `${indent}"io"\n`;
+
       // Setting isFile as false for further calls to this function
       isFile = false;
     }
-    codeSnippet += `${indent}"net/http"\n${indent}"io/ioutil"\n)\n\n`;
+    codeSnippet += `${indent}"net/http"\n${indent}"io"\n)\n\n`;
 
     codeSnippet += `func main() {\n\n${indent}url := "${getUrlStringfromUrlObject(request.url)}"\n`;
     codeSnippet += `${indent}method := "${request.method}"\n\n`;
@@ -297,7 +297,7 @@ self = module.exports = {
     responseSnippet = `${indent}res, err := client.Do(req)\n`;
     responseSnippet += `${indent}if err != nil {\n${indent.repeat(2)}fmt.Println(err)\n`;
     responseSnippet += `${indent.repeat(2)}return\n${indent}}\n`;
-    responseSnippet += `${indent}defer res.Body.Close()\n\n${indent}body, err := ioutil.ReadAll(res.Body)\n`;
+    responseSnippet += `${indent}defer res.Body.Close()\n\n${indent}body, err := io.ReadAll(res.Body)\n`;
     responseSnippet += `${indent}if err != nil {\n${indent.repeat(2)}fmt.Println(err)\n`;
     responseSnippet += `${indent.repeat(2)}return\n${indent}}\n`;
     responseSnippet += `${indent}fmt.Println(string(body))\n}`;
diff --git a/npm/ci-requirements.sh b/npm/ci-requirements.sh
index f58c13a24..8174fbf9a 100755
--- a/npm/ci-requirements.sh
+++ b/npm/ci-requirements.sh
@@ -39,7 +39,7 @@ pushd ./codegens/csharp-restsharp &>/dev/null;
   sudo apt-get install dotnet-sdk-6.0
   dotnet new console -o testProject -f net6.0
   pushd ./testProject &>/dev/null;
-  dotnet add package RestSharp --version 110.0.0
+  dotnet add package RestSharp --version 112.0.0
   popd &>/dev/null;
 popd &>/dev/null;
 
diff --git a/npm/deepinstall.js b/npm/deepinstall.js
index 3d392578a..ed26b480e 100644
--- a/npm/deepinstall.js
+++ b/npm/deepinstall.js
@@ -1,9 +1,10 @@
 var shell = require('shelljs'),
   path = require('path'),
   async = require('async'),
-  { detect } = require('detect-package-manager'),
+  { detect, getNpmVersion } = require('detect-package-manager'),
   pm,
-  PRODUCTION_FLAG = '',
+  ver,
+  command,
   getSubfolders,
   fs = require('fs'),
   pwd = shell.pwd();
@@ -24,12 +25,34 @@ async.series([
       return next();
     });
   },
+  function (next) {
+    getNpmVersion(pm).then((res) => {
+      ver = res;
+      console.log('Detected ' + pm + ' version: ' + ver);
+      return next();
+    });
+  },
   function (next) {
     if (args[2] && args[2] === 'dev') {
       console.log('Dev flag detected running ' + pm + ' install');
+      command = pm + ' install';
     }
     else {
-      PRODUCTION_FLAG = '--no-audit --production';
+      switch (pm) {
+        case 'yarn':
+          if (ver.startsWith('1')) {
+            command = 'yarn install --production --frozen-lockfile';
+          }
+          else {
+            command = 'touch yarn.lock && yarn workspaces focus --all --production'
+          }
+          break;
+        case 'pnpm':
+          command = 'pnpm install --prod';
+          break;
+        default:
+          command = pm + ' install --no-audit --production';
+      }
     }
 
     console.log('Running pre-package script');
@@ -51,8 +74,8 @@ async.series([
 
       var commandOut;
 
-      console.log(codegen.name + ': ' + pm + ' install ' + PRODUCTION_FLAG);
-      commandOut = shell.exec(pm + ' install ' + PRODUCTION_FLAG, { silent: true });
+      console.log(codegen.name + ': ' + command);
+      commandOut = shell.exec(command, { silent: true });
 
       if (commandOut.code !== 0) {
         console.error('Failed to run ' + pm + ' install on codegen ' + codegen.name + ', here is the error:');
diff --git a/package-lock.json b/package-lock.json
index 2fee04685..c5c0623c9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "postman-code-generators",
-  "version": "1.12.0",
+  "version": "1.13.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index dbf0af1bb..cb23c862a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "postman-code-generators",
-  "version": "1.12.0",
+  "version": "1.13.0",
   "description": "Generates code snippets for a postman collection",
   "main": "index.js",
   "directories": {