diff --git a/CHANGELOG.md b/CHANGELOG.md
index 96e8ec18..f2cc21f8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,11 +6,15 @@ and this project adheres to
 
 ## [Unreleased]
 
+## Fixed
+
+- 🐛(frontend) fix duplicate document entries in grid #1479
+
 ## [3.8.2] - 2025-10-17
 
 ### Fixed
 
-🐛(service-worker) fix sw registration and page reload logic #1500
+- 🐛(service-worker) fix sw registration and page reload logic #1500
 
 ## [3.8.1] - 2025-10-17
 
diff --git a/src/frontend/apps/impress/src/features/docs/docs-grid/components/DocsGrid.tsx b/src/frontend/apps/impress/src/features/docs/docs-grid/components/DocsGrid.tsx
index 3705e98c..51df82b4 100644
--- a/src/frontend/apps/impress/src/features/docs/docs-grid/components/DocsGrid.tsx
+++ b/src/frontend/apps/impress/src/features/docs/docs-grid/components/DocsGrid.tsx
@@ -1,4 +1,5 @@
 import { Button } from '@openfun/cunningham-react';
+import { useMemo } from 'react';
 import { useTranslation } from 'react-i18next';
 import { InView } from 'react-intersection-observer';
 import { css } from 'styled-components';
@@ -36,7 +37,19 @@ export const DocsGrid = ({
     hasNextPage,
   } = useDocsQuery(target);
 
-  const docs = data?.pages.flatMap((page) => page.results) ?? [];
+  const docs = useMemo(() => {
+    const allDocs = data?.pages.flatMap((page) => page.results) ?? [];
+    // Deduplicate documents by ID to prevent the same doc appearing multiple times
+    // This can happen when a multiple users are impacting the docs list (creation, update, ...)
+    const seenIds = new Set<string>();
+    return allDocs.filter((doc) => {
+      if (seenIds.has(doc.id)) {
+        return false;
+      }
+      seenIds.add(doc.id);
+      return true;
+    });
+  }, [data?.pages]);
 
   const loading = isFetching || isLoading;
   const hasDocs = data?.pages.some((page) => page.results.length > 0);