diff --git a/app/javascript/components/ComboBox.tsx b/app/javascript/components/ComboBox.tsx
index 3bee420c9..d93b957e8 100644
--- a/app/javascript/components/ComboBox.tsx
+++ b/app/javascript/components/ComboBox.tsx
@@ -15,6 +15,7 @@ import {
 import { useMemo, useRef, createContext, useContext } from 'react';
 import type { RefObject } from 'react';
 import { findOrCreateContainerElement } from '@coldwired/react';
+import * as s from 'superstruct';
 
 import {
   useLabelledBy,
@@ -98,7 +99,7 @@ export function SingleComboBox({
     form,
     data,
     ...props
-  } = useMemo(() => SingleComboBoxProps.parse(maybeProps), [maybeProps]);
+  } = useMemo(() => s.create(maybeProps, SingleComboBoxProps), [maybeProps]);
 
   const labelledby = useLabelledBy(props.id, ariaLabelledby);
   const { ref, dispatch } = useDispatchChangeEvent();
@@ -146,7 +147,7 @@ export function MultiComboBox(maybeProps: MultiComboBoxProps) {
     allowsCustomValue,
     valueSeparator,
     ...props
-  } = useMemo(() => MultiComboBoxProps.parse(maybeProps), [maybeProps]);
+  } = useMemo(() => s.create(maybeProps, MultiComboBoxProps), [maybeProps]);
 
   const labelledby = useLabelledBy(props.id, ariaLabelledby);
   const { ref, dispatch } = useDispatchChangeEvent();
@@ -235,7 +236,7 @@ export function RemoteComboBox({
     form,
     data,
     ...props
-  } = useMemo(() => RemoteComboBoxProps.parse(maybeProps), [maybeProps]);
+  } = useMemo(() => s.create(maybeProps, RemoteComboBoxProps), [maybeProps]);
 
   const labelledby = useLabelledBy(props.id, ariaLabelledby);
   const { ref, dispatch } = useDispatchChangeEvent();
diff --git a/app/javascript/components/react-aria/hooks.ts b/app/javascript/components/react-aria/hooks.ts
index 2c75e8540..e2683b919 100644
--- a/app/javascript/components/react-aria/hooks.ts
+++ b/app/javascript/components/react-aria/hooks.ts
@@ -9,6 +9,7 @@ import { matchSorter } from 'match-sorter';
 import { useDebounceCallback } from 'usehooks-ts';
 import { useEvent } from 'react-use-event-hook';
 import isEqual from 'react-fast-compare';
+import * as s from 'superstruct';
 
 import { Item } from './props';
 
@@ -420,9 +421,9 @@ export const createLoader: (
       });
       if (response.ok) {
         const json = await response.json();
-        const result = Item.array().safeParse(json);
-        if (result.success) {
-          const items = matchSorter(result.data, filterText, {
+        const [err, result] = s.validate(json, s.array(Item), { coerce: true });
+        if (!err) {
+          const items = matchSorter(result, filterText, {
             keys: ['label']
           });
           return {
diff --git a/app/javascript/components/react-aria/props.ts b/app/javascript/components/react-aria/props.ts
index e67ac1096..835b086ea 100644
--- a/app/javascript/components/react-aria/props.ts
+++ b/app/javascript/components/react-aria/props.ts
@@ -1,72 +1,81 @@
 import type { ReactNode } from 'react';
-import { z } from 'zod';
+import * as s from 'superstruct';
 
 import type { Loader } from './hooks';
 
-export const Item = z.object({
-  label: z.string(),
-  value: z.string(),
-  data: z.any().optional()
+export const Item = s.object({
+  label: s.string(),
+  value: s.string(),
+  data: s.any()
 });
-export type Item = z.infer<typeof Item>;
+export type Item = s.Infer<typeof Item>;
 
-const ComboBoxPropsSchema = z
-  .object({
-    id: z.string(),
-    className: z.string(),
-    name: z.string(),
-    label: z.string(),
-    description: z.string(),
-    isRequired: z.boolean(),
-    'aria-label': z.string(),
-    'aria-labelledby': z.string(),
-    'aria-describedby': z.string(),
-    items: z
-      .array(Item)
-      .or(
-        z
-          .string()
-          .array()
-          .transform((items) =>
-            items.map<Item>((label) => ({ label, value: label }))
-          )
-      )
-      .or(
-        z
-          .tuple([z.string(), z.string().or(z.number())])
-          .array()
-          .transform((items) =>
-            items.map<Item>(([label, value]) => ({
-              label,
-              value: String(value)
-            }))
-          )
-      ),
-    formValue: z.enum(['text', 'key']),
-    form: z.string(),
-    data: z.record(z.string())
+const ArrayOfTuples = s.coerce(
+  s.array(Item),
+  s.array(s.tuple([s.string(), s.union([s.string(), s.number()])])),
+  (items) =>
+    items.map<Item>(([label, value]) => ({
+      label,
+      value: String(value)
+    }))
+);
+
+const ArrayOfStrings = s.coerce(s.array(Item), s.array(s.string()), (items) =>
+  items.map<Item>((label) => ({ label, value: label }))
+);
+
+const ComboBoxPropsSchema = s.partial(
+  s.object({
+    id: s.string(),
+    className: s.string(),
+    name: s.string(),
+    label: s.string(),
+    description: s.string(),
+    isRequired: s.boolean(),
+    'aria-label': s.string(),
+    'aria-labelledby': s.string(),
+    'aria-describedby': s.string(),
+    items: s.union([s.array(Item), ArrayOfStrings, ArrayOfTuples]),
+    formValue: s.enums(['text', 'key']),
+    form: s.string(),
+    data: s.record(s.string(), s.string())
   })
-  .partial();
-export const SingleComboBoxProps = ComboBoxPropsSchema.extend({
-  selectedKey: z.string().nullable(),
-  emptyFilterKey: z.string()
-}).partial();
-export const MultiComboBoxProps = ComboBoxPropsSchema.extend({
-  selectedKeys: z.string().array(),
-  allowsCustomValue: z.boolean(),
-  valueSeparator: z.string()
-}).partial();
-export const RemoteComboBoxProps = ComboBoxPropsSchema.extend({
-  selectedKey: z.string().nullable(),
-  minimumInputLength: z.number(),
-  limit: z.number(),
-  allowsCustomValue: z.boolean()
-}).partial();
-export type SingleComboBoxProps = z.infer<typeof SingleComboBoxProps> & {
+);
+export const SingleComboBoxProps = s.assign(
+  ComboBoxPropsSchema,
+  s.partial(
+    s.object({
+      selectedKey: s.nullable(s.string()),
+      emptyFilterKey: s.string()
+    })
+  )
+);
+export const MultiComboBoxProps = s.assign(
+  ComboBoxPropsSchema,
+  s.partial(
+    s.object({
+      selectedKeys: s.array(s.string()),
+      allowsCustomValue: s.boolean(),
+      valueSeparator: s.string()
+    })
+  )
+);
+export const RemoteComboBoxProps = s.assign(
+  ComboBoxPropsSchema,
+  s.partial(
+    s.object({
+      selectedKey: s.nullable(s.string()),
+      minimumInputLength: s.number(),
+      limit: s.number(),
+      allowsCustomValue: s.boolean()
+    })
+  )
+);
+export type SingleComboBoxProps = s.Infer<typeof SingleComboBoxProps> & {
   children?: ReactNode;
 };
-export type MultiComboBoxProps = z.infer<typeof MultiComboBoxProps>;
-export type RemoteComboBoxProps = z.infer<typeof RemoteComboBoxProps> & {
+export type MultiComboBoxProps = s.Infer<typeof MultiComboBoxProps>;
+export type RemoteComboBoxProps = s.Infer<typeof RemoteComboBoxProps> & {
   children?: ReactNode;
   loader: Loader | string;
   onChange?: (item: Item | null) => void;
diff --git a/app/javascript/controllers/lazy/tiptap_controller.ts b/app/javascript/controllers/lazy/tiptap_controller.ts
index e80d2e599..58336e926 100644
--- a/app/javascript/controllers/lazy/tiptap_controller.ts
+++ b/app/javascript/controllers/lazy/tiptap_controller.ts
@@ -1,6 +1,6 @@
-import { Editor, type JSONContent } from '@tiptap/core';
+import { Editor } from '@tiptap/core';
 import { isButtonElement, isHTMLElement } from '@coldwired/utils';
-import { z } from 'zod';
+import * as s from 'superstruct';
 
 import { ApplicationController } from '../application_controller';
 import { getAction } from '../../shared/tiptap/actions';
@@ -61,7 +61,7 @@ export class TiptapController extends ApplicationController {
 
   insertTag(event: MouseEvent) {
     if (this.#editor && isHTMLElement(event.target)) {
-      const tag = tagSchema.parse(event.target.dataset);
+      const tag = s.create(event.target.dataset, tagSchema);
       const editor = this.#editor
         .chain()
         .focus()
@@ -77,12 +77,12 @@ export class TiptapController extends ApplicationController {
   private get content() {
     const value = this.inputTarget.value;
     if (value) {
-      return jsonContentSchema.parse(JSON.parse(value));
+      return s.create(JSON.parse(value), jsonContentSchema);
     }
   }
 
   private get tags(): TagSchema[] {
-    return this.tagTargets.map((tag) => tagSchema.parse(tag.dataset));
+    return this.tagTargets.map((tag) => s.create(tag.dataset, tagSchema));
   }
 
   private get menuButtons() {
@@ -92,13 +92,24 @@ export class TiptapController extends ApplicationController {
   }
 }
 
-const jsonContentSchema: z.ZodType<JSONContent> = z.object({
-  type: z.string().optional(),
-  text: z.string().optional(),
-  attrs: z.record(z.any()).optional(),
-  marks: z
-    .object({ type: z.string(), attrs: z.record(z.any()).optional() })
-    .array()
-    .optional(),
-  content: z.lazy(() => z.array(jsonContentSchema).optional())
+const Attrs = s.record(s.string(), s.any());
+const Marks = s.array(
+  s.type({
+    type: s.string(),
+    attrs: s.optional(Attrs)
+  })
+);
+type JSONContent = {
+  type?: string;
+  text?: string;
+  attrs?: s.Infer<typeof Attrs>;
+  marks?: s.Infer<typeof Marks>;
+  content?: JSONContent[];
+};
+const jsonContentSchema: s.Describe<JSONContent> = s.type({
+  type: s.optional(s.string()),
+  text: s.optional(s.string()),
+  attrs: s.optional(Attrs),
+  marks: s.optional(Marks),
+  content: s.lazy(() => s.optional(s.array(jsonContentSchema)))
 });
diff --git a/app/javascript/shared/tiptap/actions.ts b/app/javascript/shared/tiptap/actions.ts
index 727331112..6a1d6fcae 100644
--- a/app/javascript/shared/tiptap/actions.ts
+++ b/app/javascript/shared/tiptap/actions.ts
@@ -1,5 +1,5 @@
 import { Editor } from '@tiptap/core';
-import { z } from 'zod';
+import * as s from 'superstruct';
 
 type EditorAction = {
   run(): void;
@@ -11,7 +11,7 @@ export function getAction(
   editor: Editor,
   button: HTMLButtonElement
 ): EditorAction {
-  return tiptapActionSchema.parse(button.dataset)(editor);
+  return s.create(button.dataset, tiptapActionSchema)(editor);
 }
 
 const EDITOR_ACTIONS: Record<string, (editor: Editor) => EditorAction> = {
@@ -109,8 +109,15 @@ const EDITOR_ACTIONS: Record<string, (editor: Editor) => EditorAction> = {
   })
 };
 
-const tiptapActionSchema = z
-  .object({
-    tiptapAction: z.enum(Object.keys(EDITOR_ACTIONS) as [string, ...string[]])
-  })
-  .transform(({ tiptapAction }) => EDITOR_ACTIONS[tiptapAction]);
+const EditorActionFn = s.define<(editor: Editor) => EditorAction>(
+  'EditorActionFn',
+  (fn) => typeof fn == 'function'
+);
+
+const tiptapActionSchema = s.coerce(
+  EditorActionFn,
+  s.type({
+    tiptapAction: s.enums(Object.keys(EDITOR_ACTIONS) as [string, ...string[]])
+  }),
+  ({ tiptapAction }) => EDITOR_ACTIONS[tiptapAction]
+);
diff --git a/app/javascript/shared/tiptap/tags.ts b/app/javascript/shared/tiptap/tags.ts
index 3a76ca1cd..fc79ffeb5 100644
--- a/app/javascript/shared/tiptap/tags.ts
+++ b/app/javascript/shared/tiptap/tags.ts
@@ -1,12 +1,17 @@
 import type { SuggestionOptions, SuggestionProps } from '@tiptap/suggestion';
-import { z } from 'zod';
+import * as s from 'superstruct';
 import tippy, { type Instance as TippyInstance } from 'tippy.js';
 import { matchSorter } from 'match-sorter';
 
-export const tagSchema = z
-  .object({ tagLabel: z.string(), tagId: z.string() })
-  .transform(({ tagId, tagLabel }) => ({ label: tagLabel, id: tagId }));
-export type TagSchema = z.infer<typeof tagSchema>;
+export const tagSchema = s.coerce(
+  s.object({ label: s.string(), id: s.string() }),
+  s.type({
+    tagLabel: s.string(),
+    tagId: s.string()
+  }),
+  ({ tagId, tagLabel }) => ({ label: tagLabel, id: tagId })
+);
+export type TagSchema = s.Infer<typeof tagSchema>;
 
 class SuggestionMenu {
   #selectedIndex = 0;
diff --git a/app/javascript/shared/utils.ts b/app/javascript/shared/utils.ts
index 5a756a850..8602ff8e8 100644
--- a/app/javascript/shared/utils.ts
+++ b/app/javascript/shared/utils.ts
@@ -1,72 +1,87 @@
 import { session } from '@hotwired/turbo';
-import { z } from 'zod';
+import * as s from 'superstruct';
 
-const Gon = z
-  .object({
-    autosave: z
-      .object({
-        debounce_delay: z.number().default(0),
-        status_visible_duration: z.number().default(0)
-      })
-      .default({}),
-    autocomplete: z
-      .object({
-        api_geo_url: z.string().optional(),
-        api_adresse_url: z.string().optional(),
-        api_education_url: z.string().optional()
-      })
-      .default({}),
-    locale: z.string().default('fr'),
-    matomo: z
-      .object({
-        cookieDomain: z.string().optional(),
-        domain: z.string().optional(),
-        enabled: z.boolean().default(false),
-        host: z.string().optional(),
-        key: z.string().or(z.number()).nullish()
-      })
-      .default({}),
-    sentry: z
-      .object({
-        key: z.string().nullish(),
-        enabled: z.boolean().default(false),
-        environment: z.string().optional(),
-        user: z.object({ id: z.string() }).default({ id: '' }),
-        browser: z.object({ modern: z.boolean() }).default({ modern: false }),
-        release: z.string().nullish()
-      })
-      .default({}),
-    crisp: z
-      .object({
-        key: z.string().nullish(),
-        enabled: z.boolean().default(false),
-        administrateur: z
-          .object({
-            email: z.string(),
-            DS_SIGN_IN_COUNT: z.number(),
-            DS_NB_DEMARCHES_BROUILLONS: z.number(),
-            DS_NB_DEMARCHES_ACTIVES: z.number(),
-            DS_NB_DEMARCHES_ARCHIVES: z.number(),
-            DS_ID: z.number()
-          })
-          .default({
+function nullish<T, S>(struct: s.Struct<T, S>) {
+  return s.optional(s.union([s.literal(null), struct]));
+}
+
+const Gon = s.defaulted(
+  s.type({
+    autosave: s.defaulted(
+      s.type({
+        debounce_delay: s.defaulted(s.number(), 0),
+        status_visible_duration: s.defaulted(s.number(), 0)
+      }),
+      {}
+    ),
+    autocomplete: s.defaulted(
+      s.partial(
+        s.type({
+          api_geo_url: s.string(),
+          api_adresse_url: s.string(),
+          api_education_url: s.string()
+        })
+      ),
+      {}
+    ),
+    locale: s.defaulted(s.string(), 'fr'),
+    matomo: s.defaulted(
+      s.type({
+        cookieDomain: s.optional(s.string()),
+        domain: s.optional(s.string()),
+        enabled: s.defaulted(s.boolean(), false),
+        host: s.optional(s.string()),
+        key: nullish(s.union([s.string(), s.number()]))
+      }),
+      {}
+    ),
+    sentry: s.defaulted(
+      s.type({
+        key: nullish(s.string()),
+        enabled: s.defaulted(s.boolean(), false),
+        environment: s.optional(s.string()),
+        user: s.defaulted(s.type({ id: s.string() }), { id: '' }),
+        browser: s.defaulted(s.type({ modern: s.boolean() }), {
+          modern: false
+        }),
+        release: nullish(s.string())
+      }),
+      {}
+    ),
+    crisp: s.defaulted(
+      s.type({
+        key: nullish(s.string()),
+        enabled: s.defaulted(s.boolean(), false),
+        administrateur: s.defaulted(
+          s.type({
+            email: s.string(),
+            DS_SIGN_IN_COUNT: s.number(),
+            DS_NB_DEMARCHES_BROUILLONS: s.number(),
+            DS_NB_DEMARCHES_ACTIVES: s.number(),
+            DS_NB_DEMARCHES_ARCHIVES: s.number(),
+            DS_ID: s.number()
+          }),
+          {
             email: '',
             DS_SIGN_IN_COUNT: 0,
             DS_NB_DEMARCHES_BROUILLONS: 0,
             DS_NB_DEMARCHES_ACTIVES: 0,
             DS_NB_DEMARCHES_ARCHIVES: 0,
             DS_ID: 0
-          })
-      })
-      .default({}),
-    defaultQuery: z.string().optional(),
-    defaultVariables: z.string().optional()
-  })
-  .default({});
+          }
+        )
+      }),
+      {}
+    ),
+    defaultQuery: s.optional(s.string()),
+    defaultVariables: s.optional(s.string())
+  }),
+  {}
+);
 declare const window: Window & typeof globalThis & { gon: unknown };
 
 export function getConfig() {
-  return Gon.parse(window.gon);
+  return s.create(window.gon, Gon);
 }
 
 export function show(el: Element | null) {
diff --git a/bun.lockb b/bun.lockb
index 608dba50f..beab4b760 100755
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/package.json b/package.json
index 1029ea7db..d301bee84 100644
--- a/package.json
+++ b/package.json
@@ -62,12 +62,12 @@
     "react-use-event-hook": "^0.9.6",
     "spectaql": "^2.3.1",
     "stimulus-use": "^0.52.2",
+    "superstruct": "^1.0.4",
     "terser": "^5.31.0",
     "tiny-invariant": "^1.3.3",
     "tippy.js": "^6.3.7",
     "trix": "^1.2.3",
-    "usehooks-ts": "^3.1.0",
-    "zod": "^3.20.2"
+    "usehooks-ts": "^3.1.0"
   },
   "devDependencies": {
     "@esbuild/darwin-arm64": "=0.19.9",