diff --git a/packages/ra-data-graphql/src/introspection.js b/packages/ra-data-graphql/src/introspection.js
index a66372c9156..65b93fb2b99 100644
--- a/packages/ra-data-graphql/src/introspection.js
+++ b/packages/ra-data-graphql/src/introspection.js
@@ -33,6 +33,7 @@ export default async (client, options) => {
         ? options.schema
         : await client
               .query({
+                  fetchPolicy: 'network-only',
                   query: gql`
                       ${introspectionQuery}
                   `,