diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c085f78..b41e339 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -18,7 +18,5 @@ jobs:
           node-version: '18'
       - name: Install dependencies
         run: npm install
-      - name: Setup config.json file
-        run: cp src/server/config.template.json src/server/config.json
       - name: Run build
         run: npm run build
diff --git a/package-lock.json b/package-lock.json
index 6c8829a..6856a32 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -28,6 +28,9 @@
         "jsdom": "^22.1.0",
         "rollup": "^3.28.0",
         "typescript": "^3.8.2"
+      },
+      "engines": {
+        "node": "18"
       }
     },
     "node_modules/@ampproject/remapping": {
diff --git a/src/server/config.template.json b/src/server/config.template.json
deleted file mode 100644
index e182cc3..0000000
--- a/src/server/config.template.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "accounts": {}
-}
diff --git a/src/server/config.ts b/src/server/config.ts
index 1b46770..d7112ad 100644
--- a/src/server/config.ts
+++ b/src/server/config.ts
@@ -1,4 +1,3 @@
-import config from './config.json';
 import { buildColumn } from './table-utils';
 import { Transformers } from './transformers';
 import type { Strategy, StrategyOption, Table } from './types';
@@ -31,7 +30,7 @@ export class Config {
         ],
         columnImportRules: {
           ref: null,
-          iban: (data) => new Array(data.length).fill(config?.accounts?.N26),
+          iban: (data) => new Array(data.length).fill(Utils.getBankIban('N26')),
           date: buildColumn(n26Cols.Date, (val) => new Date(val)),
           amount: buildColumn(n26Cols.Amount, parseFloat),
           category: buildColumn(n26Cols.Payee, Transformers.transformCategory),
@@ -75,7 +74,7 @@ export class Config {
         columnImportRules: {
           ref: null,
           iban: (data) =>
-            new Array(data.length).fill(config?.accounts?.OPENBANK),
+            new Array(data.length).fill(Utils.getBankIban('OPENBANK')),
           date: buildColumn(openbankCols.Fecha, (val) => {
             let [day, month, year] = val.split('/');
             let yearNum = +year;
diff --git a/src/server/utils.ts b/src/server/utils.ts
index 39654cd..00d3cb3 100644
--- a/src/server/utils.ts
+++ b/src/server/utils.ts
@@ -1,4 +1,4 @@
-import { Table, InputColumn } from './types';
+import { Table, InputColumn, StrategyOption } from './types';
 
 export const SOURCE_SHEET_ID = 1093484485;
 
@@ -106,4 +106,31 @@ export class Utils {
       return data;
     };
   }
+
+  static getBankAccounts(): Record<string, string> {
+    // this range contains the ibans only
+    const ibans = FireSpreadsheet.getRangeByName('accounts');
+    // we also need to include the labels
+    const accounts = ibans
+      ?.offset(0, -1, ibans.getLastRow(), 2)
+      .getValues()
+      // make sure not to include empty rows
+      .filter((row) => row.some((cell) => cell !== '' && cell !== null));
+
+    if (!accounts?.length) {
+      return {}; // return empty list of bank accounts if none setup
+    }
+
+    // convert the list to an object to easy work with it
+    return accounts.reduce((obj, account) => {
+      const [id, iban] = account;
+      obj[id.toUpperCase()] = iban;
+      return obj;
+    }, {});
+  }
+
+  static getBankIban(bank: string): string {
+    const bankAccounts = Utils.getBankAccounts();
+    return bankAccounts?.[bank] ?? '';
+  }
 }