diff --git a/.eslintrc.js b/.eslintrc.mjs
similarity index 100%
rename from .eslintrc.js
rename to .eslintrc.mjs
diff --git a/apps/login/.eslintrc.cjs b/apps/login/.eslintrc.mjs
similarity index 100%
rename from apps/login/.eslintrc.cjs
rename to apps/login/.eslintrc.mjs
diff --git a/apps/login/postcss.config.js b/apps/login/postcss.config.cjs
similarity index 100%
rename from apps/login/postcss.config.js
rename to apps/login/postcss.config.cjs
diff --git a/apps/login/tailwind.config.js b/apps/login/tailwind.config.mjs
similarity index 99%
rename from apps/login/tailwind.config.js
rename to apps/login/tailwind.config.mjs
index 66c1fc7dc28..705398ceb64 100644
--- a/apps/login/tailwind.config.js
+++ b/apps/login/tailwind.config.mjs
@@ -1,4 +1,4 @@
-const sharedConfig = require("zitadel-tailwind-config/tailwind.config.js");
+const sharedConfig = require("zitadel-tailwind-config/tailwind.config.mjs");
 
 let colors = {
   background: { light: { contrast: {} }, dark: { contrast: {} } },
diff --git a/packages/zitadel-client/.eslintrc.cjs b/packages/zitadel-client/.eslintrc.mjs
similarity index 100%
rename from packages/zitadel-client/.eslintrc.cjs
rename to packages/zitadel-client/.eslintrc.mjs
diff --git a/packages/zitadel-next/.eslintrc.cjs b/packages/zitadel-next/.eslintrc.mjs
similarity index 100%
rename from packages/zitadel-next/.eslintrc.cjs
rename to packages/zitadel-next/.eslintrc.mjs
diff --git a/packages/zitadel-next/postcss.config.js b/packages/zitadel-next/postcss.config.cjs
similarity index 100%
rename from packages/zitadel-next/postcss.config.js
rename to packages/zitadel-next/postcss.config.cjs
diff --git a/packages/zitadel-next/tailwind.config.js b/packages/zitadel-next/tailwind.config.mjs
similarity index 94%
rename from packages/zitadel-next/tailwind.config.js
rename to packages/zitadel-next/tailwind.config.mjs
index 2bf2c389f63..666dc993a29 100644
--- a/packages/zitadel-next/tailwind.config.js
+++ b/packages/zitadel-next/tailwind.config.mjs
@@ -1,4 +1,4 @@
-const sharedConfig = require("zitadel-tailwind-config/tailwind.config.js");
+const sharedConfig = require("zitadel-tailwind-config/tailwind.config.mjs");
 
 /** @type {import('tailwindcss').Config} */
 module.exports = {
diff --git a/packages/zitadel-node/.eslintrc.cjs b/packages/zitadel-node/.eslintrc.mjs
similarity index 100%
rename from packages/zitadel-node/.eslintrc.cjs
rename to packages/zitadel-node/.eslintrc.mjs
diff --git a/packages/zitadel-react/.eslintrc.js b/packages/zitadel-react/.eslintrc.mjs
similarity index 100%
rename from packages/zitadel-react/.eslintrc.js
rename to packages/zitadel-react/.eslintrc.mjs
diff --git a/packages/zitadel-react/postcss.config.js b/packages/zitadel-react/postcss.config.cjs
similarity index 100%
rename from packages/zitadel-react/postcss.config.js
rename to packages/zitadel-react/postcss.config.cjs
diff --git a/packages/zitadel-react/tailwind.config.js b/packages/zitadel-react/tailwind.config.mjs
similarity index 94%
rename from packages/zitadel-react/tailwind.config.js
rename to packages/zitadel-react/tailwind.config.mjs
index db207600200..8f267f92747 100644
--- a/packages/zitadel-react/tailwind.config.js
+++ b/packages/zitadel-react/tailwind.config.mjs
@@ -1,4 +1,4 @@
-const sharedConfig = require("zitadel-tailwind-config/tailwind.config.js");
+const sharedConfig = require("zitadel-tailwind-config/tailwind.config.mjs");
 
 /** @type {import('tailwindcss').Config} */
 module.exports = {
diff --git a/packages/zitadel-tailwind-config/tailwind.config.js b/packages/zitadel-tailwind-config/tailwind.config.mjs
similarity index 100%
rename from packages/zitadel-tailwind-config/tailwind.config.js
rename to packages/zitadel-tailwind-config/tailwind.config.mjs