diff --git a/src/lib/InstantSearch.ts b/src/lib/InstantSearch.ts
index decd807cab..27a2743783 100644
--- a/src/lib/InstantSearch.ts
+++ b/src/lib/InstantSearch.ts
@@ -21,7 +21,7 @@ import {
   MiddlewareDefinition,
 } from '../types';
 import hasDetectedInsightsClient from './utils/detect-insights-client';
-import { createRouter, RouterProps } from '../middleware/createRouter';
+import { createRouter, RouterProps } from '../middlewares/createRouter';
 
 const withUsage = createDocumentationMessageGenerator({
   name: 'instantsearch',
diff --git a/src/lib/main.ts b/src/lib/main.ts
index 343cb57d91..f5555209c6 100644
--- a/src/lib/main.ts
+++ b/src/lib/main.ts
@@ -4,7 +4,7 @@ import version from './version';
 import * as connectors from '../connectors/index';
 import * as widgets from '../widgets/index';
 import * as helpers from '../helpers/index';
-import * as middleware from '../middleware/index';
+import * as middlewares from '../middlewares/index';
 
 import * as routers from './routers/index';
 import * as stateMappings from './stateMappings/index';
@@ -40,6 +40,6 @@ instantsearch.createInfiniteHitsSessionStorageCache = createInfiniteHitsSessionS
 instantsearch.highlight = helpers.highlight;
 instantsearch.snippet = helpers.snippet;
 instantsearch.insights = helpers.insights;
-instantsearch.middleware = middleware;
+instantsearch.middlewares = middlewares;
 
 export default instantsearch;
diff --git a/src/middleware/createRouter.ts b/src/middlewares/createRouter.ts
similarity index 100%
rename from src/middleware/createRouter.ts
rename to src/middlewares/createRouter.ts
diff --git a/src/middleware/index.ts b/src/middlewares/index.ts
similarity index 100%
rename from src/middleware/index.ts
rename to src/middlewares/index.ts
diff --git a/src/middleware/insights.ts b/src/middlewares/insights.ts
similarity index 100%
rename from src/middleware/insights.ts
rename to src/middlewares/insights.ts