diff --git a/app.territoiresentransitions.react/src/app/pages/collectivite/Users/useAddUserToCollectivite.ts b/app.territoiresentransitions.react/src/app/pages/collectivite/Users/useAddUserToCollectivite.ts
index faceb9dc2f4..55c0f03efab 100644
--- a/app.territoiresentransitions.react/src/app/pages/collectivite/Users/useAddUserToCollectivite.ts
+++ b/app.territoiresentransitions.react/src/app/pages/collectivite/Users/useAddUserToCollectivite.ts
@@ -1,9 +1,10 @@
 import {useMutation, useQueryClient} from 'react-query';
-import {supabaseClient} from 'core-logic/api/supabase';
-import {TNiveauAcces} from 'types/alias';
-import {CurrentCollectivite} from 'core-logic/hooks/useCurrentCollectivite';
-import {UserData} from 'core-logic/api/auth/AuthProvider';
-import {useSendInvitation} from 'app/pages/collectivite/Users/useSendInvitation';
+import { trpc } from '@tet/api/utils/trpc/client';
+import { supabaseClient } from 'core-logic/api/supabase';
+import { TNiveauAcces } from 'types/alias';
+import { CurrentCollectivite } from 'core-logic/hooks/useCurrentCollectivite';
+import { UserData } from 'core-logic/api/auth/AuthProvider';
+import { useSendInvitation } from 'app/pages/collectivite/Users/useSendInvitation';
 
 type AddUserToCollectiviteArgs = {
   email: string;
@@ -32,15 +33,16 @@ export const useAddUserToCollectivite = (
   collectivite: CurrentCollectivite,
   user: UserData
 ) => {
-  const {collectivite_id} = collectivite;
+  const { collectivite_id: collectiviteId } = collectivite;
   const queryClient = useQueryClient();
-  const {mutate: sendInvitation} = useSendInvitation(collectivite, user);
+  const { mutate: sendInvitation } = useSendInvitation(collectivite, user);
+  const utils = trpc.useUtils();
 
   return useMutation(
-    async ({email: rawEmail, niveau}: AddUserToCollectiviteArgs) => {
+    async ({ email: rawEmail, niveau }: AddUserToCollectiviteArgs) => {
       const email = rawEmail.toLowerCase();
-      const {data, error} = await supabaseClient.rpc('add_user', {
-        collectivite_id,
+      const { data, error } = await supabaseClient.rpc('add_user', {
+        collectivite_id: collectiviteId,
         email,
         niveau,
       });
@@ -58,7 +60,7 @@ export const useAddUserToCollectivite = (
 
       // envoi le mail d'invitation ou un mail de notification du rattachement à la collectivité
       if (invitationId || response.added) {
-        await sendInvitation({email, invitationId});
+        await sendInvitation({ email, invitationId });
       }
 
       return {
@@ -69,10 +71,9 @@ export const useAddUserToCollectivite = (
     },
     {
       onSuccess: () => {
-        queryClient.invalidateQueries([
-          'collectivite_membres',
-          collectivite_id,
-        ]);
+        queryClient.invalidateQueries(['collectivite_membres', collectiviteId]);
+        if (collectiviteId)
+          utils.collectivites.membres.list.invalidate({ collectiviteId });
       },
       meta: {
         disableToast: true,
diff --git a/app.territoiresentransitions.react/src/app/pages/collectivite/Users/useRemoveFromCollectivite.tsx b/app.territoiresentransitions.react/src/app/pages/collectivite/Users/useRemoveFromCollectivite.tsx
index 6276fa54549..b8d3bc70bcf 100644
--- a/app.territoiresentransitions.react/src/app/pages/collectivite/Users/useRemoveFromCollectivite.tsx
+++ b/app.territoiresentransitions.react/src/app/pages/collectivite/Users/useRemoveFromCollectivite.tsx
@@ -1,8 +1,9 @@
 import {useMutation, useQueryClient} from 'react-query';
-import {useCollectiviteId} from 'core-logic/hooks/params';
-import {TRemoveFromCollectivite} from './types';
-import {getQueryKey} from './useCollectiviteMembres';
-import {supabaseClient} from 'core-logic/api/supabase';
+import { trpc } from '@tet/api/utils/trpc/client';
+import { useCollectiviteId } from 'core-logic/hooks/params';
+import { TRemoveFromCollectivite } from './types';
+import { getQueryKey } from './useCollectiviteMembres';
+import { supabaseClient } from 'core-logic/api/supabase';
 
 type RemoveMembreResponse = {
   message?: string;
@@ -12,7 +13,7 @@ const removeMembre = async (
   collectiviteId: number,
   userEmail: string
 ): Promise<RemoveMembreResponse | null> => {
-  const {data, error} = await supabaseClient.rpc(
+  const { data, error } = await supabaseClient.rpc(
     'remove_membre_from_collectivite',
     {
       email: userEmail,
@@ -30,17 +31,21 @@ const removeMembre = async (
  * Retire un membre de la collectivité courante
  */
 export const useRemoveFromCollectivite = () => {
-  const collectivite_id = useCollectiviteId();
+  const collectiviteId = useCollectiviteId();
   const queryClient = useQueryClient();
-  const {isLoading, mutate} = useMutation(
+  const utils = trpc.useUtils();
+
+  const { isLoading, mutate } = useMutation(
     (userEmail: string) =>
-      collectivite_id
-        ? removeMembre(collectivite_id, userEmail)
+      collectiviteId
+        ? removeMembre(collectiviteId, userEmail)
         : Promise.resolve(null),
     {
       onSuccess: () => {
         // recharge la liste après avoir retiré l'utilisateur de la collectivité
-        queryClient.invalidateQueries(getQueryKey(collectivite_id));
+        queryClient.invalidateQueries(getQueryKey(collectiviteId));
+        if (collectiviteId)
+          utils.collectivites.membres.list.invalidate({ collectiviteId });
       },
     }
   );
diff --git a/app.territoiresentransitions.react/src/app/pages/collectivite/Users/useUpdateCollectiviteMembre.ts b/app.territoiresentransitions.react/src/app/pages/collectivite/Users/useUpdateCollectiviteMembre.ts
index 7875483d483..e6f9f1b0449 100644
--- a/app.territoiresentransitions.react/src/app/pages/collectivite/Users/useUpdateCollectiviteMembre.ts
+++ b/app.territoiresentransitions.react/src/app/pages/collectivite/Users/useUpdateCollectiviteMembre.ts
@@ -1,7 +1,8 @@
 import {useMutation, useQueryClient} from 'react-query';
+import { trpc } from '@tet/api/utils/trpc/client';
 import {supabaseClient} from 'core-logic/api/supabase';
 import {TUpdateMembre, TUpdateMembreArgs} from './types';
-import {useCollectiviteId} from 'core-logic/hooks/params';
+import { useCollectiviteId } from 'core-logic/hooks/params';
 
 /**
  * Met à jour une propriété d'un des membres de la collectivité courante
@@ -10,18 +11,21 @@ export const useUpdateCollectiviteMembre = () => {
   const queryClient = useQueryClient();
 
   // associe la fonction d'update avec l'id de la collectivité
-  const collectivite_id = useCollectiviteId();
+  const collectiviteId = useCollectiviteId();
   const updateCollectiviteMembre = (
     args: TUpdateMembreArgs
   ): Promise<boolean> =>
-    collectivite_id
-      ? updateMembre({collectivite_id, ...args})
+    collectiviteId
+      ? updateMembre({ collectiviteId, ...args })
       : Promise.resolve(false);
 
-  const {isLoading, mutate} = useMutation(updateCollectiviteMembre, {
+  const utils = trpc.useUtils();
+  const { isLoading, mutate } = useMutation(updateCollectiviteMembre, {
     onSuccess: () => {
       // recharge les données après un changement
       queryClient.invalidateQueries(['collectivite_membres']);
+      if (collectiviteId)
+        utils.collectivites.membres.list.invalidate({ collectiviteId });
     },
   });
 
@@ -35,14 +39,14 @@ const fieldNameToRPCName = (name: TUpdateMembreArgs['name']) =>
   `update_collectivite_membre_${name}`;
 
 const updateMembre = async ({
-  collectivite_id,
+  collectiviteId,
   membre_id,
   name,
   value,
-}: TUpdateMembreArgs & {collectivite_id: number}) => {
-  const {error} = await supabaseClient
+}: TUpdateMembreArgs & { collectiviteId: number }) => {
+  const { error } = await supabaseClient
     .rpc(fieldNameToRPCName(name) as any, {
-      collectivite_id,
+      collectivite_id: collectiviteId,
       membre_id,
       [name]: value,
     })