diff --git a/package-lock.json b/package-lock.json
index de81b2d..4dcc4a1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,6 +23,7 @@
         "class-transformer": "^0.4.0",
         "class-validator": "^0.13.1",
         "crypto": "^1.0.1",
+        "crypto-md5": "^1.0.0",
         "csv-parser": "^3.0.0",
         "decimal.js": "^10.3.1",
         "exceljs": "^4.3.0",
@@ -3835,6 +3836,15 @@
       "integrity": "sha512-VxBKmeNcqQdiUQUW2Tzq0t377b54N2bMtXO/qiLa+6eRRmmC4qT3D4OnTGoT/U6O9aklQ/jTwbOtRMTTY8G0Ig==",
       "deprecated": "This package is no longer supported. It's now a built-in Node module. If you've depended on crypto, you should switch to the one that's built-in."
     },
+    "node_modules/crypto-md5": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/crypto-md5/-/crypto-md5-1.0.0.tgz",
+      "integrity": "sha512-65Mtei8+EkSIK+5Ie4gpWXoJ/5bgpqPXFknHHXAyhDqKsEAAzUslGd8mOeawbfcuQ8fADNKcF4xQA3fqlZJ8Ig==",
+      "engines": {
+        "iojs": ">=1.0.0",
+        "node": ">=0.5.2"
+      }
+    },
     "node_modules/cssom": {
       "version": "0.4.4",
       "resolved": "https://registry.npmjs.org/cssom/-/cssom-0.4.4.tgz",
@@ -13583,6 +13593,11 @@
       "resolved": "https://registry.npmjs.org/crypto/-/crypto-1.0.1.tgz",
       "integrity": "sha512-VxBKmeNcqQdiUQUW2Tzq0t377b54N2bMtXO/qiLa+6eRRmmC4qT3D4OnTGoT/U6O9aklQ/jTwbOtRMTTY8G0Ig=="
     },
+    "crypto-md5": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/crypto-md5/-/crypto-md5-1.0.0.tgz",
+      "integrity": "sha512-65Mtei8+EkSIK+5Ie4gpWXoJ/5bgpqPXFknHHXAyhDqKsEAAzUslGd8mOeawbfcuQ8fADNKcF4xQA3fqlZJ8Ig=="
+    },
     "cssom": {
       "version": "0.4.4",
       "resolved": "https://registry.npmjs.org/cssom/-/cssom-0.4.4.tgz",
diff --git a/package.json b/package.json
index 16f66db..0b19eb4 100644
--- a/package.json
+++ b/package.json
@@ -36,6 +36,7 @@
     "class-transformer": "^0.4.0",
     "class-validator": "^0.13.1",
     "crypto": "^1.0.1",
+    "crypto-md5": "^1.0.0",
     "csv-parser": "^3.0.0",
     "decimal.js": "^10.3.1",
     "exceljs": "^4.3.0",
diff --git a/src/helper/irs-api.ts b/src/helper/irs-api.ts
index cec5509..727e7d3 100644
--- a/src/helper/irs-api.ts
+++ b/src/helper/irs-api.ts
@@ -32,9 +32,7 @@ export const doTransaction = async (
     } else if (supplier.code == 'Digiflazz') {
       if (typePaid == 'INQUIRY') {
         const md5HashDigiflazz = `${supplier.irs_user}${supplier.irs_pass}${idtrx}`;
-        const cryptoMd5 = require('crypto');
-
-        cryptoMd5.createHash('md5').update(md5HashDigiflazz).digest('hex');
+        var cryptoMd5 = require('md5');
 
         const options = {
           headers: { 'Content-Type': 'application/json' },
@@ -45,7 +43,7 @@ export const doTransaction = async (
           customer_no: `${destination}`,
           buyer_sku_code: `${productCode}`,
           ref_id: `${idtrx}`,
-          sign: cryptoMd5,
+          sign: cryptoMd5(md5HashDigiflazz, 'hex'),
           testing: true,
         };
         const res = await axios.post(
@@ -57,9 +55,7 @@ export const doTransaction = async (
         return res.data;
       } else if (typePaid == 'PAYMENT') {
         const md5HashDigiflazz = `${supplier.irs_user}${supplier.irs_pass}${idtrx}`;
-        const cryptoMd5 = require('crypto');
-
-        cryptoMd5.createHash('md5').update(md5HashDigiflazz).digest('hex');
+        var cryptoMd5 = require('md5');
 
         const options = {
           headers: { 'Content-Type': 'application/json' },
@@ -70,7 +66,7 @@ export const doTransaction = async (
           customer_no: `${destination}`,
           buyer_sku_code: `${productCode}`,
           ref_id: `${billTrxId}`,
-          sign: cryptoMd5,
+          sign: cryptoMd5(md5HashDigiflazz, 'hex'),
           testing: true,
         };
         const res = await axios.post(
@@ -82,9 +78,7 @@ export const doTransaction = async (
         return res.data;
       } else {
         const md5HashDigiflazz = `${supplier.irs_user}${supplier.irs_pass}${idtrx}`;
-        const cryptoMd5 = require('crypto');
-
-        cryptoMd5.createHash('md5').update(md5HashDigiflazz).digest('hex');
+        var cryptoMd5 = require('md5');
 
         const options = {
           headers: {'Content-Type': 'application/json'},
@@ -94,7 +88,7 @@ export const doTransaction = async (
           customer_no: `${destination}`,
           buyer_sku_code: `${productCode}`,
           ref_id: `${idtrx}`,
-          sign: cryptoMd5,
+          sign: cryptoMd5(md5HashDigiflazz, 'hex'),
           testing: true,
         };
         const res = await axios.post(
@@ -103,6 +97,7 @@ export const doTransaction = async (
             options,
         );
 
+        console.log('resdigiflazz', res);
         return res.data;
       }
     } else if (supplier.code == 'Hemat') {
diff --git a/yarn.lock b/yarn.lock
index 1499c42..79dcc4d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2265,6 +2265,11 @@
     "shebang-command" "^2.0.0"
     "which" "^2.0.1"
 
+"crypto-md5@^1.0.0":
+  "integrity" "sha512-65Mtei8+EkSIK+5Ie4gpWXoJ/5bgpqPXFknHHXAyhDqKsEAAzUslGd8mOeawbfcuQ8fADNKcF4xQA3fqlZJ8Ig=="
+  "resolved" "https://registry.npmjs.org/crypto-md5/-/crypto-md5-1.0.0.tgz"
+  "version" "1.0.0"
+
 "crypto@^1.0.1":
   "integrity" "sha512-VxBKmeNcqQdiUQUW2Tzq0t377b54N2bMtXO/qiLa+6eRRmmC4qT3D4OnTGoT/U6O9aklQ/jTwbOtRMTTY8G0Ig=="
   "resolved" "https://registry.npmjs.org/crypto/-/crypto-1.0.1.tgz"