diff --git a/packages/main/src/backend/commonTypes.ts b/packages/main/src/backend/commonTypes.ts
index 78def43e..439612b5 100644
--- a/packages/main/src/backend/commonTypes.ts
+++ b/packages/main/src/backend/commonTypes.ts
@@ -11,6 +11,7 @@ export type {
   Spreadsheet,
 } from './export/outputVendors/googleSheets/googleSheetsInternalAPI';
 export interface Config {
+  version: number;
   outputVendors: {
     [OutputVendorName.GOOGLE_SHEETS]?: GoogleSheetsConfig;
     [OutputVendorName.YNAB]?: YnabConfig;
diff --git a/packages/main/src/backend/configManager/configManager.ts b/packages/main/src/backend/configManager/configManager.ts
index 4e618d5f..71dd5f98 100644
--- a/packages/main/src/backend/configManager/configManager.ts
+++ b/packages/main/src/backend/configManager/configManager.ts
@@ -2,6 +2,7 @@ import { configFilePath } from '@/app-globals';
 import { type Config } from '@/backend/commonTypes';
 import { decrypt, encrypt } from '@/backend/configManager/encryption/crypto';
 import { existsSync, promises as fs } from 'fs';
+import { migrateConfig } from './configMigration/configMigrator';
 import configExample from './defaultConfig';
 import logger from '/@/logging/logger';
 
@@ -19,7 +20,7 @@ export async function getConfig(configPath: string = configFilePath): Promise<Co
         logger.log('Empty config file found, returning default config');
         return configExample;
       }
-      return config;
+      return migrateConfig(config);
     } catch (e) {
       logger.error('Failed to parse config file, returning default config', e);
     }
diff --git a/packages/main/src/backend/configManager/configMigration/configMigrator.ts b/packages/main/src/backend/configManager/configMigration/configMigrator.ts
new file mode 100644
index 00000000..ca910f3e
--- /dev/null
+++ b/packages/main/src/backend/configManager/configMigration/configMigrator.ts
@@ -0,0 +1,26 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
+import { type Config } from '@/backend/commonTypes';
+import { migrateV0ToV1 } from './migrations/v1';
+
+// migrations[n] should be a function that converts version n to version n+1
+const migrations: Record<number, (config: any) => any> = {
+  0: migrateV0ToV1,
+};
+
+export function migrateConfig(config: any): Config {
+  let currentConfig = config;
+  let currentVersion = getConfigVersion(currentConfig);
+
+  while (migrations[currentVersion]) {
+    currentConfig = migrations[currentVersion](currentConfig);
+    currentVersion = getConfigVersion(currentConfig);
+  }
+
+  return currentConfig as Config;
+}
+
+function getConfigVersion(config: any): keyof typeof migrations {
+  // Prior to v1, the config didn't have a version field.
+  // In that case, we treat it as v0.
+  return config.version ?? 0;
+}
diff --git a/packages/main/src/backend/configManager/configMigration/migrations/v1.ts b/packages/main/src/backend/configManager/configMigration/migrations/v1.ts
new file mode 100644
index 00000000..83a07d92
--- /dev/null
+++ b/packages/main/src/backend/configManager/configMigration/migrations/v1.ts
@@ -0,0 +1,9 @@
+// V1 adds the version field to the config object
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export function migrateV0ToV1(v0Config: any): any {
+  return {
+    ...v0Config,
+    version: 1,
+  };
+}
diff --git a/packages/main/src/backend/configManager/defaultConfig.ts b/packages/main/src/backend/configManager/defaultConfig.ts
index df8f7034..11c2b416 100644
--- a/packages/main/src/backend/configManager/defaultConfig.ts
+++ b/packages/main/src/backend/configManager/defaultConfig.ts
@@ -1,6 +1,7 @@
 import { type Config } from '../commonTypes';
 
 const DEFAULT_CONFIG: Config = {
+  version: 1,
   scraping: {
     numDaysBack: 40,
     showBrowser: false,
diff --git a/packages/preload/src/commonTypes.ts b/packages/preload/src/commonTypes.ts
index bac6c7c2..d04265f2 100644
--- a/packages/preload/src/commonTypes.ts
+++ b/packages/preload/src/commonTypes.ts
@@ -15,6 +15,7 @@ export enum OutputVendorName {
 }
 
 export interface Config {
+  version: number;
   outputVendors: {
     [OutputVendorName.GOOGLE_SHEETS]?: GoogleSheetsConfig;
     [OutputVendorName.YNAB]?: YnabConfig;
diff --git a/packages/renderer/src/store/Store.test.tsx b/packages/renderer/src/store/Store.test.tsx
index 1ae4f397..9fddb1ce 100644
--- a/packages/renderer/src/store/Store.test.tsx
+++ b/packages/renderer/src/store/Store.test.tsx
@@ -99,6 +99,7 @@ describe('Store', () => {
 });
 
 export const dummyConfig: Config = {
+  version: 1,
   scraping: {
     numDaysBack: 40,
     showBrowser: false,
diff --git a/packages/renderer/src/types.tsx b/packages/renderer/src/types.tsx
index f24fb543..1bd944b9 100644
--- a/packages/renderer/src/types.tsx
+++ b/packages/renderer/src/types.tsx
@@ -17,6 +17,7 @@ export enum OutputVendorName {
 }
 
 export interface Config {
+  version: number;
   outputVendors: {
     [OutputVendorName.GOOGLE_SHEETS]?: GoogleSheetsConfig;
     [OutputVendorName.YNAB]?: YnabConfig;