diff --git a/package.json b/package.json
index c5f3d19694..1dc38121ee 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "mermaid-monorepo",
   "private": true,
-  "version": "10.2.0",
+  "version": "10.2.1",
   "description": "Markdownish syntax for generating flowcharts, sequence diagrams, class diagrams, gantt charts and git graphs.",
   "type": "module",
   "packageManager": "pnpm@8.5.1",
diff --git a/packages/mermaid/package.json b/packages/mermaid/package.json
index 20669097ae..17edba5237 100644
--- a/packages/mermaid/package.json
+++ b/packages/mermaid/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mermaid",
-  "version": "10.2.0",
+  "version": "10.2.1",
   "description": "Markdown-ish syntax for generating flowcharts, sequence diagrams, class diagrams, gantt charts and git graphs.",
   "type": "module",
   "module": "./dist/mermaid.core.mjs",
diff --git a/packages/mermaid/src/diagrams/gantt/ganttDb.js b/packages/mermaid/src/diagrams/gantt/ganttDb.js
index 81ff6d7556..3964027025 100644
--- a/packages/mermaid/src/diagrams/gantt/ganttDb.js
+++ b/packages/mermaid/src/diagrams/gantt/ganttDb.js
@@ -1,8 +1,8 @@
 import { sanitizeUrl } from '@braintree/sanitize-url';
-import dayjs from 'dayjs/esm/index.js';
-import dayjsIsoWeek from 'dayjs/esm/plugin/isoWeek/index.js';
-import dayjsCustomParseFormat from 'dayjs/esm/plugin/customParseFormat/index.js';
-import dayjsAdvancedFormat from 'dayjs/esm/plugin/advancedFormat/index.js';
+import dayjs from 'dayjs';
+import dayjsIsoWeek from 'dayjs/plugin/isoWeek.js';
+import dayjsCustomParseFormat from 'dayjs/plugin/customParseFormat.js';
+import dayjsAdvancedFormat from 'dayjs/plugin/advancedFormat.js';
 import { log } from '../../logger.js';
 import * as configApi from '../../config.js';
 import utils from '../../utils.js';
diff --git a/packages/mermaid/src/diagrams/gantt/ganttDb.spec.ts b/packages/mermaid/src/diagrams/gantt/ganttDb.spec.ts
index 123b4a52d3..416368e8f9 100644
--- a/packages/mermaid/src/diagrams/gantt/ganttDb.spec.ts
+++ b/packages/mermaid/src/diagrams/gantt/ganttDb.spec.ts
@@ -1,5 +1,5 @@
 // @ts-nocheck TODO: Fix TS
-import dayjs from 'dayjs/esm/index.js';
+import dayjs from 'dayjs';
 import ganttDb from './ganttDb.js';
 import { convert } from '../../tests/util.js';
 
diff --git a/packages/mermaid/src/diagrams/gantt/ganttRenderer.js b/packages/mermaid/src/diagrams/gantt/ganttRenderer.js
index a148d8a9e4..ff16fef7c7 100644
--- a/packages/mermaid/src/diagrams/gantt/ganttRenderer.js
+++ b/packages/mermaid/src/diagrams/gantt/ganttRenderer.js
@@ -1,4 +1,4 @@
-import dayjs from 'dayjs/esm/index.js';
+import dayjs from 'dayjs';
 import { log } from '../../logger.js';
 import {
   select,
diff --git a/packages/mermaid/src/logger.ts b/packages/mermaid/src/logger.ts
index da5e8a221a..44b98315ca 100644
--- a/packages/mermaid/src/logger.ts
+++ b/packages/mermaid/src/logger.ts
@@ -2,7 +2,7 @@
 /* eslint-disable @typescript-eslint/no-unused-vars */
 /* eslint-disable @typescript-eslint/no-empty-function */
 /* eslint-disable no-console */
-import dayjs from 'dayjs/esm/index.js';
+import dayjs from 'dayjs';
 
 export type LogLevel = 'trace' | 'debug' | 'info' | 'warn' | 'error' | 'fatal';