diff --git a/packages/blocks/Image/index.tsx b/packages/blocks/Image/index.tsx
index 844b113fe1..00eaab720f 100644
--- a/packages/blocks/Image/index.tsx
+++ b/packages/blocks/Image/index.tsx
@@ -1,4 +1,4 @@
-import { BlockViewProps } from '@plone/types';
+import type { BlockViewProps } from '@plone/types';
 import { usePloneProvider } from '@plone/providers';
 
 const ImageBlockView = (props: BlockViewProps) => {
diff --git a/packages/blocks/RenderBlocks/BlockWrapper.tsx b/packages/blocks/RenderBlocks/BlockWrapper.tsx
index e4a387004a..e94b555d47 100644
--- a/packages/blocks/RenderBlocks/BlockWrapper.tsx
+++ b/packages/blocks/RenderBlocks/BlockWrapper.tsx
@@ -1,4 +1,4 @@
-import { ReactNode } from 'react';
+import type { ReactNode } from 'react';
 import cx from 'clsx';
 import type { RenderBlocksProps } from './RenderBlocks';
 
diff --git a/packages/blocks/Teaser/index.tsx b/packages/blocks/Teaser/index.tsx
index 03b8b07ffe..5c407bac55 100644
--- a/packages/blocks/Teaser/index.tsx
+++ b/packages/blocks/Teaser/index.tsx
@@ -1,4 +1,4 @@
-import { BlockViewProps } from '@plone/types';
+import type { BlockViewProps } from '@plone/types';
 import { Link } from '@plone/components';
 
 const TeaserBlockView = (props: BlockViewProps) => {
diff --git a/packages/blocks/package.json b/packages/blocks/package.json
index 6f7dd4028c..1c3713d1d5 100644
--- a/packages/blocks/package.json
+++ b/packages/blocks/package.json
@@ -28,9 +28,11 @@
   "publishConfig": {
     "access": "public"
   },
+  "type": "module",
   "main": "index.ts",
   "scripts": {
     "test": "vitest",
+    "check-ts": "tsc --project tsconfig.json",
     "dry-release": "release-it --dry-run",
     "release": "release-it",
     "release-major-alpha": "release-it major --preRelease=alpha",
diff --git a/packages/slots/components/ContentArea.tsx b/packages/slots/components/ContentArea.tsx
index b4cd5dfc4a..5d6324a793 100644
--- a/packages/slots/components/ContentArea.tsx
+++ b/packages/slots/components/ContentArea.tsx
@@ -1,5 +1,5 @@
 import RenderBlocks from '@plone/blocks/RenderBlocks/RenderBlocks';
-import { SlotComponentProps } from '../SlotRenderer';
+import type { SlotComponentProps } from '../SlotRenderer';
 import config from '@plone/registry';
 
 const ContentArea = (props: SlotComponentProps) => {
diff --git a/packages/slots/components/Logo.stories.tsx b/packages/slots/components/Logo.stories.tsx
index 93d2623f27..348dc836dc 100644
--- a/packages/slots/components/Logo.stories.tsx
+++ b/packages/slots/components/Logo.stories.tsx
@@ -1,4 +1,3 @@
-import React from 'react';
 import Logo from './Logo';
 
 import type { Meta, StoryObj } from '@storybook/react';
diff --git a/packages/slots/components/Logo.tsx b/packages/slots/components/Logo.tsx
index d543931753..3b17c02603 100644
--- a/packages/slots/components/Logo.tsx
+++ b/packages/slots/components/Logo.tsx
@@ -1,4 +1,4 @@
-import { SlotComponentProps } from '../SlotRenderer';
+import type { SlotComponentProps } from '../SlotRenderer';
 import { Link } from '@plone/components';
 import LogoImage from './Logo.svg';
 import config from '@plone/registry';
diff --git a/packages/slots/components/MainFooter.tsx b/packages/slots/components/MainFooter.tsx
index d97347f71e..f5f3c39c38 100644
--- a/packages/slots/components/MainFooter.tsx
+++ b/packages/slots/components/MainFooter.tsx
@@ -1,4 +1,4 @@
-import { SlotComponentProps } from '../SlotRenderer';
+import type { SlotComponentProps } from '../SlotRenderer';
 import { Container, Link } from '@plone/components';
 import Logo from './Logo';
 
diff --git a/packages/slots/components/Navigation.stories.tsx b/packages/slots/components/Navigation.stories.tsx
index 3aee92ac77..e94ad2cbd2 100644
--- a/packages/slots/components/Navigation.stories.tsx
+++ b/packages/slots/components/Navigation.stories.tsx
@@ -1,4 +1,3 @@
-import React from 'react';
 import Navigation from './Navigation';
 
 import type { Meta, StoryObj } from '@storybook/react';
diff --git a/packages/slots/package.json b/packages/slots/package.json
index 619e0f856c..208b14f0c4 100644
--- a/packages/slots/package.json
+++ b/packages/slots/package.json
@@ -28,9 +28,11 @@
   "publishConfig": {
     "access": "public"
   },
+  "type": "module",
   "main": "index.ts",
   "scripts": {
     "test": "vitest",
+    "check-ts": "tsc --project tsconfig.json",
     "dry-release": "release-it --dry-run",
     "release": "release-it",
     "release-major-alpha": "release-it major --preRelease=alpha",