diff --git a/apps/cs/package.json b/apps/cs/package.json
index 060433850..a072c1d82 100644
--- a/apps/cs/package.json
+++ b/apps/cs/package.json
@@ -25,6 +25,7 @@
     "@radix-ui/react-label": "^2.1.2",
     "@radix-ui/react-slot": "^1.1.2",
     "@tanstack/react-query": "^5.67.1",
+    "@tanstack/react-query-devtools": "^5.75.5",
     "@tanstack/react-table": "^8.21.2",
     "@tinymce/tinymce-react": "^6.1.0",
     "axios": "^1.8.1",
diff --git a/apps/cs/src/app/providers/app-provider.tsx b/apps/cs/src/app/providers/app-provider.tsx
index 87c0ec616..1a2189b03 100644
--- a/apps/cs/src/app/providers/app-provider.tsx
+++ b/apps/cs/src/app/providers/app-provider.tsx
@@ -3,6 +3,7 @@
 import { DndProvider } from "react-dnd";
 import { MultiBackend, getBackendOptions } from "@minoru/react-dnd-treeview";
 import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
+import { ReactQueryDevtools } from "@tanstack/react-query-devtools";
 import { ConfirmProvider } from "@frontend-opensource/use-react-hooks";
 import { AuthWrapper } from "@/entities/auth";
 import { MenuWrapper } from "@/entities/menu";
@@ -34,6 +35,9 @@ const AppProvider = ({ children }: Readonly<{ children: React.ReactNode }>) => {
           </ConfirmProvider>
         </PromptProvider>
       </StoreProvider>
+      <div className="text-2xl">
+        <ReactQueryDevtools initialIsOpen={false} />
+      </div>
     </QueryClientProvider>
   );
 };
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 9b00d0360..d023197b7 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -211,6 +211,9 @@ importers:
       '@tanstack/react-query':
         specifier: ^5.67.1
         version: 5.67.1(react@18.3.1)
+      '@tanstack/react-query-devtools':
+        specifier: ^5.75.5
+        version: 5.75.5(@tanstack/react-query@5.67.1)(react@18.3.1)
       '@tanstack/react-table':
         specifier: ^8.21.2
         version: 8.21.2(react-dom@18.3.1)(react@18.3.1)