diff --git a/packages/bruno-electron/src/ipc/network/index.js b/packages/bruno-electron/src/ipc/network/index.js
index df8bfea09..aea3859ac 100644
--- a/packages/bruno-electron/src/ipc/network/index.js
+++ b/packages/bruno-electron/src/ipc/network/index.js
@@ -102,6 +102,7 @@ const registerNetworkIpc = (mainWindow) => {
       const _request = item.draft ? item.draft.request : item.request;
       const request = prepareRequest(_request);
       const envVars = getEnvVars(environment);
+      const processEnvVars = getProcessEnvVars(collectionUid);
 
       try {
         // make axios work in node using form data
@@ -128,7 +129,8 @@ const registerNetworkIpc = (mainWindow) => {
             request,
             envVars,
             collectionVariables,
-            collectionPath
+            collectionPath,
+            processEnvVars
           );
 
           if (result) {
@@ -151,7 +153,8 @@ const registerNetworkIpc = (mainWindow) => {
             envVars,
             collectionVariables,
             collectionPath,
-            onConsoleLog
+            onConsoleLog,
+            processEnvVars
           );
 
           mainWindow.webContents.send('main:script-environment-update', {
@@ -162,8 +165,6 @@ const registerNetworkIpc = (mainWindow) => {
           });
         }
 
-        const processEnvVars = getProcessEnvVars(collectionUid);
-
         const brunoConfig = getBrunoConfig(collectionUid);
         const proxyEnabled = get(brunoConfig, 'proxy.enabled', false);
         if (proxyEnabled) {
@@ -250,7 +251,8 @@ const registerNetworkIpc = (mainWindow) => {
             response,
             envVars,
             collectionVariables,
-            collectionPath
+            collectionPath,
+            processEnvVars
           );
 
           if (result) {
@@ -274,7 +276,8 @@ const registerNetworkIpc = (mainWindow) => {
             envVars,
             collectionVariables,
             collectionPath,
-            onConsoleLog
+            onConsoleLog,
+            processEnvVars
           );
 
           mainWindow.webContents.send('main:script-environment-update', {
@@ -318,7 +321,8 @@ const registerNetworkIpc = (mainWindow) => {
             envVars,
             collectionVariables,
             collectionPath,
-            onConsoleLog
+            onConsoleLog,
+            processEnvVars
           );
 
           mainWindow.webContents.send('main:run-request-event', {
@@ -391,7 +395,8 @@ const registerNetworkIpc = (mainWindow) => {
               envVars,
               collectionVariables,
               collectionPath,
-              onConsoleLog
+              onConsoleLog,
+              processEnvVars
             );
 
             mainWindow.webContents.send('main:run-request-event', {
@@ -536,6 +541,7 @@ const registerNetworkIpc = (mainWindow) => {
 
           const _request = item.draft ? item.draft.request : item.request;
           const request = prepareRequest(_request);
+          const processEnvVars = getProcessEnvVars(collectionUid);
 
           try {
             // make axios work in node using form data
@@ -580,7 +586,8 @@ const registerNetworkIpc = (mainWindow) => {
                 envVars,
                 collectionVariables,
                 collectionPath,
-                onConsoleLog
+                onConsoleLog,
+                processEnvVars
               );
 
               mainWindow.webContents.send('main:script-environment-update', {
@@ -590,8 +597,6 @@ const registerNetworkIpc = (mainWindow) => {
               });
             }
 
-            const processEnvVars = getProcessEnvVars(collectionUid);
-
             // interpolate variables inside request
             interpolateVars(request, envVars, collectionVariables, processEnvVars);
 
@@ -633,7 +638,8 @@ const registerNetworkIpc = (mainWindow) => {
                 response,
                 envVars,
                 collectionVariables,
-                collectionPath
+                collectionPath,
+                processEnvVars
               );
 
               if (result) {
@@ -656,7 +662,8 @@ const registerNetworkIpc = (mainWindow) => {
                 envVars,
                 collectionVariables,
                 collectionPath,
-                onConsoleLog
+                onConsoleLog,
+                processEnvVars
               );
 
               mainWindow.webContents.send('main:script-environment-update', {
@@ -698,7 +705,8 @@ const registerNetworkIpc = (mainWindow) => {
                 envVars,
                 collectionVariables,
                 collectionPath,
-                onConsoleLog
+                onConsoleLog,
+                processEnvVars
               );
 
               mainWindow.webContents.send('main:run-folder-event', {
@@ -776,7 +784,8 @@ const registerNetworkIpc = (mainWindow) => {
                   envVars,
                   collectionVariables,
                   collectionPath,
-                  onConsoleLog
+                  onConsoleLog,
+                  processEnvVars
                 );
 
                 mainWindow.webContents.send('main:run-folder-event', {
diff --git a/packages/bruno-js/package.json b/packages/bruno-js/package.json
index daf2b05ec..ecc4afc14 100644
--- a/packages/bruno-js/package.json
+++ b/packages/bruno-js/package.json
@@ -21,6 +21,7 @@
     "btoa": "^1.2.1",
     "chai": "^4.3.7",
     "crypto-js": "^4.1.1",
+    "handlebars": "^4.7.8",
     "json-query": "^2.2.2",
     "lodash": "^4.17.21",
     "moment": "^2.29.4",
diff --git a/packages/bruno-js/src/bru.js b/packages/bruno-js/src/bru.js
index af6134633..6eec791fa 100644
--- a/packages/bruno-js/src/bru.js
+++ b/packages/bruno-js/src/bru.js
@@ -1,19 +1,39 @@
+const Handlebars = require('handlebars');
+const { cloneDeep } = require('lodash');
+
 class Bru {
-  constructor(envVariables, collectionVariables) {
+  constructor(envVariables, collectionVariables, processEnvVars) {
     this.envVariables = envVariables;
     this.collectionVariables = collectionVariables;
+    this.processEnvVars = cloneDeep(processEnvVars || {});
   }
 
+  _interpolateEnvVar = (str) => {
+    if (!str || !str.length || typeof str !== 'string') {
+      return str;
+    }
+
+    const template = Handlebars.compile(str, { noEscape: true });
+
+    return template({
+      process: {
+        env: {
+          ...this.processEnvVars
+        }
+      }
+    });
+  };
+
   getEnvName() {
     return this.envVariables.__name__;
   }
 
   getProcessEnv(key) {
-    return process.env[key];
+    return this.processEnvVars[key];
   }
 
   getEnvVar(key) {
-    return this.envVariables[key];
+    return this._interpolateEnvVar(this.envVariables[key]);
   }
 
   setEnvVar(key, value) {
diff --git a/packages/bruno-js/src/runtime/script-runtime.js b/packages/bruno-js/src/runtime/script-runtime.js
index dcca7a2ec..41af51eee 100644
--- a/packages/bruno-js/src/runtime/script-runtime.js
+++ b/packages/bruno-js/src/runtime/script-runtime.js
@@ -27,8 +27,16 @@ const CryptoJS = require('crypto-js');
 class ScriptRuntime {
   constructor() {}
 
-  async runRequestScript(script, request, envVariables, collectionVariables, collectionPath, onConsoleLog) {
-    const bru = new Bru(envVariables, collectionVariables);
+  async runRequestScript(
+    script,
+    request,
+    envVariables,
+    collectionVariables,
+    collectionPath,
+    onConsoleLog,
+    processEnvVars
+  ) {
+    const bru = new Bru(envVariables, collectionVariables, processEnvVars);
     const req = new BrunoRequest(request);
 
     const context = {
@@ -89,8 +97,17 @@ class ScriptRuntime {
     };
   }
 
-  async runResponseScript(script, request, response, envVariables, collectionVariables, collectionPath, onConsoleLog) {
-    const bru = new Bru(envVariables, collectionVariables);
+  async runResponseScript(
+    script,
+    request,
+    response,
+    envVariables,
+    collectionVariables,
+    collectionPath,
+    onConsoleLog,
+    processEnvVars
+  ) {
+    const bru = new Bru(envVariables, collectionVariables, processEnvVars);
     const req = new BrunoRequest(request);
     const res = new BrunoResponse(response);
 
diff --git a/packages/bruno-js/src/runtime/test-runtime.js b/packages/bruno-js/src/runtime/test-runtime.js
index 6d7b86611..3a7c1f9b5 100644
--- a/packages/bruno-js/src/runtime/test-runtime.js
+++ b/packages/bruno-js/src/runtime/test-runtime.js
@@ -20,8 +20,17 @@ const CryptoJS = require('crypto-js');
 class TestRuntime {
   constructor() {}
 
-  runTests(testsFile, request, response, envVariables, collectionVariables, collectionPath, onConsoleLog) {
-    const bru = new Bru(envVariables, collectionVariables);
+  runTests(
+    testsFile,
+    request,
+    response,
+    envVariables,
+    collectionVariables,
+    collectionPath,
+    onConsoleLog,
+    processEnvVars
+  ) {
+    const bru = new Bru(envVariables, collectionVariables, processEnvVars);
     const req = new BrunoRequest(request);
     const res = new BrunoResponse(response);
 
diff --git a/packages/bruno-js/src/runtime/vars-runtime.js b/packages/bruno-js/src/runtime/vars-runtime.js
index be23a6fe6..0185ebddc 100644
--- a/packages/bruno-js/src/runtime/vars-runtime.js
+++ b/packages/bruno-js/src/runtime/vars-runtime.js
@@ -4,13 +4,13 @@ const BrunoRequest = require('../bruno-request');
 const { evaluateJsTemplateLiteral, evaluateJsExpression, createResponseParser } = require('../utils');
 
 class VarsRuntime {
-  runPreRequestVars(vars, request, envVariables, collectionVariables, collectionPath) {
+  runPreRequestVars(vars, request, envVariables, collectionVariables, collectionPath, processEnvVars) {
     const enabledVars = _.filter(vars, (v) => v.enabled);
     if (!enabledVars.length) {
       return;
     }
 
-    const bru = new Bru(envVariables, collectionVariables);
+    const bru = new Bru(envVariables, collectionVariables, processEnvVars);
     const req = new BrunoRequest(request);
 
     const bruContext = {
@@ -34,13 +34,13 @@ class VarsRuntime {
     };
   }
 
-  runPostResponseVars(vars, request, response, envVariables, collectionVariables, collectionPath) {
+  runPostResponseVars(vars, request, response, envVariables, collectionVariables, collectionPath, processEnvVars) {
     const enabledVars = _.filter(vars, (v) => v.enabled);
     if (!enabledVars.length) {
       return;
     }
 
-    const bru = new Bru(envVariables, collectionVariables);
+    const bru = new Bru(envVariables, collectionVariables, processEnvVars);
     const req = new BrunoRequest(request);
     const res = createResponseParser(response);