diff --git a/frontend/e2e-tests/components.spec.ts b/frontend/e2e-tests/components.spec.ts
index 3ea1716c518..9f22efc5697 100644
--- a/frontend/e2e-tests/components.spec.ts
+++ b/frontend/e2e-tests/components.spec.ts
@@ -278,7 +278,7 @@ test("table", async ({ page }) => {
     helper.cell(3).locator(".marimo-json-output").first(),
   ).toHaveText(
     `
-[1 Items
+[1 Item
 0:{2 Items
 "first_name":"Dwight"
 "last_name":"Schrute"
diff --git a/frontend/package.json b/frontend/package.json
index 5d3b8d9ed20..8ea0611b92a 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -72,7 +72,7 @@
     "@replit/codemirror-vim": "^6.2.1",
     "@tailwindcss/typography": "^0.5.14",
     "@tanstack/react-table": "^8.20.1",
-    "@textea/json-viewer": "^3.4.1",
+    "@textea/json-viewer": "^4.0.1",
     "@types/humanize-duration": "^3.27.4",
     "@types/js-cookie": "^3.0.6",
     "@types/jsdom": "^21.1.7",
diff --git a/frontend/pnpm-lock.yaml b/frontend/pnpm-lock.yaml
index b7514161ae0..8fac23f3c49 100644
--- a/frontend/pnpm-lock.yaml
+++ b/frontend/pnpm-lock.yaml
@@ -193,8 +193,8 @@ importers:
         specifier: ^8.20.1
         version: 8.20.1(react-dom@18.3.1(react@18.3.1))(react@18.3.1)
       '@textea/json-viewer':
-        specifier: ^3.4.1
-        version: 3.4.1(@emotion/react@11.13.0(@types/react@18.3.12)(react@18.3.1))(@emotion/styled@11.13.0(@emotion/react@11.13.0(@types/react@18.3.12)(react@18.3.1))(@types/react@18.3.12)(react@18.3.1))(@mui/material@5.16.7(@emotion/react@11.13.0(@types/react@18.3.12)(react@18.3.1))(@emotion/styled@11.13.0(@emotion/react@11.13.0(@types/react@18.3.12)(react@18.3.1))(@types/react@18.3.12)(react@18.3.1))(@types/react@18.3.12)(react-dom@18.3.1(react@18.3.1))(react@18.3.1))(@types/react@18.3.12)(react-dom@18.3.1(react@18.3.1))(react@18.3.1)
+        specifier: ^4.0.1
+        version: 4.0.1(@emotion/react@11.13.0(@types/react@18.3.12)(react@18.3.1))(@emotion/styled@11.13.0(@emotion/react@11.13.0(@types/react@18.3.12)(react@18.3.1))(@types/react@18.3.12)(react@18.3.1))(@mui/material@5.16.7(@emotion/react@11.13.0(@types/react@18.3.12)(react@18.3.1))(@emotion/styled@11.13.0(@emotion/react@11.13.0(@types/react@18.3.12)(react@18.3.1))(@types/react@18.3.12)(react@18.3.1))(@types/react@18.3.12)(react-dom@18.3.1(react@18.3.1))(react@18.3.1))(@types/react@18.3.12)(react-dom@18.3.1(react@18.3.1))(react@18.3.1)
       '@types/humanize-duration':
         specifier: ^3.27.4
         version: 3.27.4
@@ -3246,12 +3246,12 @@ packages:
     peerDependencies:
       '@testing-library/dom': '>=7.21.4'
 
-  '@textea/json-viewer@3.4.1':
-    resolution: {integrity: sha512-8cLptaqOZVw025/iF5Cb+4nX2jjLRlGfKxGd8D6Gm9pOzB/ZDgih+xl9zoWcVXwVlRj85uLae5oorKV8Yc+vog==}
+  '@textea/json-viewer@4.0.1':
+    resolution: {integrity: sha512-7FH4ti3kVNyKhe/gl85w+8KllXJY9XQalY2KZnBn9ST1CjhqZQCWJLkYf24aX2FOv2D/8cvAllYkFX46A7C9KQ==}
     peerDependencies:
       '@emotion/react': ^11
       '@emotion/styled': ^11
-      '@mui/material': ^5
+      '@mui/material': ^6
       react: ^17 || ^18
       react-dom: ^17 || ^18
 
@@ -8368,11 +8368,6 @@ packages:
       '@types/react':
         optional: true
 
-  use-sync-external-store@1.2.0:
-    resolution: {integrity: sha512-eEgnFxGQ1Ife9bzYs6VLi8/4X6CObHMw9Qr9tPY43iKwsPw8xE8+EFsf/2cFZ5S3esXgpWgtSCtLNS41F+sKPA==}
-    peerDependencies:
-      react: ^16.8.0 || ^17.0.0 || ^18.0.0
-
   use-sync-external-store@1.4.0:
     resolution: {integrity: sha512-9WXSPC5fMv61vaupRkCKCxsPxBocVnwakBEkMIHHpkTTg6icbJtg6jzgtLDm4bl3cSHAca52rYWih0k4K3PfHw==}
     peerDependencies:
@@ -8914,8 +8909,8 @@ packages:
   zod@3.23.8:
     resolution: {integrity: sha512-XBx9AXhXktjUqnepgTiE5flcKIYWi/rme0Eaj+5Y0lftuGBq+jyRu/md4WnuxqgP1ubdpNCsYEYPxrzVHD8d6g==}
 
-  zustand@4.5.2:
-    resolution: {integrity: sha512-2cN1tPkDVkwCy5ickKrI7vijSjPksFRfqS6237NzT0vqSsztTNnQdHw9mmN7uBdk3gceVXU0a+21jFzFzAc9+g==}
+  zustand@4.5.6:
+    resolution: {integrity: sha512-ibr/n1hBzLLj5Y+yUcU7dYw8p6WnIVzdJbnX+1YpaScvZVF2ziugqHs+LAmHw4lWO9c/zRj+K1ncgWDQuthEdQ==}
     engines: {node: '>=12.7.0'}
     peerDependencies:
       '@types/react': '>=16.8'
@@ -11862,7 +11857,7 @@ snapshots:
       classcat: 5.0.4
       react: 18.3.1
       react-dom: 18.3.1(react@18.3.1)
-      zustand: 4.5.2(@types/react@18.3.12)(react@18.3.1)
+      zustand: 4.5.6(@types/react@18.3.12)(react@18.3.1)
     transitivePeerDependencies:
       - '@types/react'
       - immer
@@ -11873,7 +11868,7 @@ snapshots:
       classcat: 5.0.4
       react: 18.3.1
       react-dom: 18.3.1(react@18.3.1)
-      zustand: 4.5.2(@types/react@18.3.12)(react@18.3.1)
+      zustand: 4.5.6(@types/react@18.3.12)(react@18.3.1)
     transitivePeerDependencies:
       - '@types/react'
       - immer
@@ -11890,7 +11885,7 @@ snapshots:
       d3-zoom: 3.0.0
       react: 18.3.1
       react-dom: 18.3.1(react@18.3.1)
-      zustand: 4.5.2(@types/react@18.3.12)(react@18.3.1)
+      zustand: 4.5.6(@types/react@18.3.12)(react@18.3.1)
     transitivePeerDependencies:
       - '@types/react'
       - immer
@@ -11905,7 +11900,7 @@ snapshots:
       d3-zoom: 3.0.0
       react: 18.3.1
       react-dom: 18.3.1(react@18.3.1)
-      zustand: 4.5.2(@types/react@18.3.12)(react@18.3.1)
+      zustand: 4.5.6(@types/react@18.3.12)(react@18.3.1)
     transitivePeerDependencies:
       - '@types/react'
       - immer
@@ -11918,7 +11913,7 @@ snapshots:
       d3-selection: 3.0.0
       react: 18.3.1
       react-dom: 18.3.1(react@18.3.1)
-      zustand: 4.5.2(@types/react@18.3.12)(react@18.3.1)
+      zustand: 4.5.6(@types/react@18.3.12)(react@18.3.1)
     transitivePeerDependencies:
       - '@types/react'
       - immer
@@ -11929,7 +11924,7 @@ snapshots:
       classcat: 5.0.4
       react: 18.3.1
       react-dom: 18.3.1(react@18.3.1)
-      zustand: 4.5.2(@types/react@18.3.12)(react@18.3.1)
+      zustand: 4.5.6(@types/react@18.3.12)(react@18.3.1)
     transitivePeerDependencies:
       - '@types/react'
       - immer
@@ -12378,7 +12373,7 @@ snapshots:
     dependencies:
       '@testing-library/dom': 10.4.0
 
-  '@textea/json-viewer@3.4.1(@emotion/react@11.13.0(@types/react@18.3.12)(react@18.3.1))(@emotion/styled@11.13.0(@emotion/react@11.13.0(@types/react@18.3.12)(react@18.3.1))(@types/react@18.3.12)(react@18.3.1))(@mui/material@5.16.7(@emotion/react@11.13.0(@types/react@18.3.12)(react@18.3.1))(@emotion/styled@11.13.0(@emotion/react@11.13.0(@types/react@18.3.12)(react@18.3.1))(@types/react@18.3.12)(react@18.3.1))(@types/react@18.3.12)(react-dom@18.3.1(react@18.3.1))(react@18.3.1))(@types/react@18.3.12)(react-dom@18.3.1(react@18.3.1))(react@18.3.1)':
+  '@textea/json-viewer@4.0.1(@emotion/react@11.13.0(@types/react@18.3.12)(react@18.3.1))(@emotion/styled@11.13.0(@emotion/react@11.13.0(@types/react@18.3.12)(react@18.3.1))(@types/react@18.3.12)(react@18.3.1))(@mui/material@5.16.7(@emotion/react@11.13.0(@types/react@18.3.12)(react@18.3.1))(@emotion/styled@11.13.0(@emotion/react@11.13.0(@types/react@18.3.12)(react@18.3.1))(@types/react@18.3.12)(react@18.3.1))(@types/react@18.3.12)(react-dom@18.3.1(react@18.3.1))(react@18.3.1))(@types/react@18.3.12)(react-dom@18.3.1(react@18.3.1))(react@18.3.1)':
     dependencies:
       '@emotion/react': 11.13.0(@types/react@18.3.12)(react@18.3.1)
       '@emotion/styled': 11.13.0(@emotion/react@11.13.0(@types/react@18.3.12)(react@18.3.1))(@types/react@18.3.12)(react@18.3.1)
@@ -12387,7 +12382,7 @@ snapshots:
       copy-to-clipboard: 3.3.3
       react: 18.3.1
       react-dom: 18.3.1(react@18.3.1)
-      zustand: 4.5.2(@types/react@18.3.12)(react@18.3.1)
+      zustand: 4.5.6(@types/react@18.3.12)(react@18.3.1)
     transitivePeerDependencies:
       - '@types/react'
       - immer
@@ -18585,10 +18580,6 @@ snapshots:
     optionalDependencies:
       '@types/react': 18.3.12
 
-  use-sync-external-store@1.2.0(react@18.3.1):
-    dependencies:
-      react: 18.3.1
-
   use-sync-external-store@1.4.0(react@18.3.1):
     dependencies:
       react: 18.3.1
@@ -19355,9 +19346,9 @@ snapshots:
 
   zod@3.23.8: {}
 
-  zustand@4.5.2(@types/react@18.3.12)(react@18.3.1):
+  zustand@4.5.6(@types/react@18.3.12)(react@18.3.1):
     dependencies:
-      use-sync-external-store: 1.2.0(react@18.3.1)
+      use-sync-external-store: 1.4.0(react@18.3.1)
     optionalDependencies:
       '@types/react': 18.3.12
       react: 18.3.1