diff --git a/backend/__init__.py b/backend/__init__.py
index 35c2c57..d5c43a9 100644
--- a/backend/__init__.py
+++ b/backend/__init__.py
@@ -10,7 +10,8 @@
 """
 
 import os
-from concurrent.futures import ProcessPoolExecutor
+from concurrent.futures import ThreadPoolExecutor
+
 from aiohttp import web
 
 from dal.data.shared.vault import JWT_SECRET_KEY
@@ -28,7 +29,6 @@
 HTTP_HOST = os.getenv("HTTP_HOST", "0.0.0.0")
 HTTP_PORT = int(os.getenv("HTTP_PORT", "5004"))
 
-
 async def log_streamer(app: web.Application):
     """
     This function is made for context handling by aiohttp.
@@ -78,7 +78,7 @@ def main():
     # initialize web app, this is the main/parent application
     # APIs and other applications are added as sub applications
     main_app = web.Application()
-    main_app["executor"] = ProcessPoolExecutor(max_workers=2)
+    main_app["executor"] = ThreadPoolExecutor(max_workers=10)
     main_app.on_response_prepare.append(on_prepare)
 
     # prepare JWT middleware
diff --git a/backend/endpoints/auth.py b/backend/endpoints/auth.py
index f79483d..30385f3 100644
--- a/backend/endpoints/auth.py
+++ b/backend/endpoints/auth.py
@@ -100,7 +100,7 @@ async def post_token_auth(self, request: web.Request) -> web.Response:
         output = {}
         status = 200
         try:
-            asyncio.create_task(TokenManager.remove_all_expired_tokens())
+            await self._run_blocking_code(request, TokenManager.remove_all_expired_tokens)
 
             data = await request.json()
             domain = data["domain"].lower()
@@ -247,5 +247,19 @@ def get_domains(self, request: web.Request) -> web.Response:
         output["domains"] = AUTH_MANAGER.get_domains()
         return web.json_response(output, headers={"Server": "Movai-server"})
 
+    async def _run_blocking_code(self, request: web.Request, func: callable, *args) -> any:
+        """Runs a blocking function that may take long time.
+
+        Args:
+            func (callable): The function to run.
+
+        Returns:
+            Any: The return value of the function.
+        """
+        executor = request.app["executor"]
+        loop = asyncio.get_event_loop()
+        future = loop.run_in_executor(executor, func, *args)
+        await future
+
 
 WebAppManager.register("/auth/", AuthApp)
diff --git a/setup.py b/setup.py
index edfbd32..33375ec 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@
     "miracle-acl==0.0.4.post1",
     "PyYAML==6.0",
     "requests==2.22.0",
-    "movai-core-shared==2.4.1.24",
+    "movai-core-shared==2.4.1.26",
     "data-access-layer==2.4.1.35",
     "gd-node==2.4.1.17",
 ]