diff --git a/meshcentral.js b/meshcentral.js
index 077c21fc..bc2b363b 100644
--- a/meshcentral.js
+++ b/meshcentral.js
@@ -1932,8 +1932,10 @@ function InstallModules(modules, func) {
     var missingModules = [];
     if (modules.length > 0) {
         for (var i in modules) {
+            // Modules may contain a version tag (foobar@1.0.0), remove it so the module can be found using require
+            var moduleName = modules[i].split("@", 1)[0];
             try {
-                var xxmodule = require(modules[i]);
+                require(moduleName);
             } catch (e) {
                 if (previouslyInstalledModules[modules[i]] !== true) { missingModules.push(modules[i]); }
             }
@@ -1943,21 +1945,15 @@ function InstallModules(modules, func) {
 }
 
 // Check if a module is present and install it if missing
-var InstallModuleChildProcess = null;
 function InstallModule(modulename, func, tag1, tag2) {
     console.log('Installing ' + modulename + '...');
     var child_process = require('child_process');
     var parentpath = __dirname;
 
-    // Add module exact version number if needed
-    if (modulename == 'greenlock') { modulename = 'greenlock@2.8.8'; }
-
     // Get the working directory
     if ((__dirname.endsWith('/node_modules/meshcentral')) || (__dirname.endsWith('\\node_modules\\meshcentral')) || (__dirname.endsWith('/node_modules/meshcentral/')) || (__dirname.endsWith('\\node_modules\\meshcentral\\'))) { parentpath = require('path').join(__dirname, '../..'); }
 
-    // Looks like we need to keep a global reference to the child process object for this to work correctly.
-    InstallModuleChildProcess = child_process.exec('npm install --no-optional --save ' + modulename, { maxBuffer: 512000, timeout: 120000, cwd: parentpath }, function (error, stdout, stderr) {
-        InstallModuleChildProcess = null;
+    child_process.exec(`npm install --no-optional ${modulename}`, { maxBuffer: 512000, timeout: 120000, cwd: parentpath }, function (error, stdout, stderr) {
         if ((error != null) && (error != '')) {
             console.log('ERROR: Unable to install required module "' + modulename + '". MeshCentral may not have access to npm, or npm may not have suffisent rights to load the new module. Try "npm install ' + modulename + '" to manualy install this module.\r\n');
             process.exit();
@@ -2009,7 +2005,7 @@ function mainStart() {
         var modules = ['ws', 'cbor', 'nedb', 'https', 'yauzl', 'xmldom', 'ipcheck', 'express', 'archiver', 'multiparty', 'node-forge', 'express-ws', 'compression', 'body-parser', 'connect-redis', 'cookie-session', 'express-handlebars'];
         if (require('os').platform() == 'win32') { modules.push('node-windows'); if (sspi == true) { modules.push('node-sspi'); } } // Add Windows modules
         if (ldap == true) { modules.push('ldapauth-fork'); }
-        if (config.letsencrypt != null) { modules.push('greenlock'); modules.push('le-store-certbot'); modules.push('le-challenge-fs'); modules.push('le-acme-core'); } // Add Greenlock Modules
+        if (config.letsencrypt != null) { modules.push('greenlock@2.8.8'); modules.push('le-store-certbot'); modules.push('le-challenge-fs'); modules.push('le-acme-core'); } // Add Greenlock Modules
         if (config.settings.mqtt != null) { modules.push('aedes'); } // Add MQTT Modules
         if (config.settings.mongodb != null) { modules.push('mongodb'); } // Add MongoDB, official driver.
         if (config.settings.vault != null) { modules.push('node-vault'); } // Add official HashiCorp's Vault module.
diff --git a/package.json b/package.json
index 3a27c6dc..ff874d87 100644
--- a/package.json
+++ b/package.json
@@ -37,10 +37,8 @@
     "express": "^4.17.0",
     "express-handlebars": "^3.1.0",
     "express-ws": "^4.0.0",
-    "greenlock": "^2.8.8",
     "html-minifier": "^4.0.0",
     "ipcheck": "^0.1.0",
-    "le-acme-core": "^2.1.4",
     "meshcentral": "*",
     "minify-js": "0.0.4",
     "minimist": "^1.2.0",