diff --git a/app/main.py b/app/main.py
index b9aff949..c7e73e99 100644
--- a/app/main.py
+++ b/app/main.py
@@ -16,13 +16,13 @@
 from .config import get_settings
 from .data import data_source
 from .routers import V1, V2
-from .utils.httputils import setup_client_session, teardown_client_session
+from .utils.httputils import Session
 
 # ############
 # FastAPI App
 # ############
 LOGGER = logging.getLogger("api")
-
+session = Session()
 SETTINGS = get_settings()
 
 if SETTINGS.sentry_dsn:  # pragma: no cover
@@ -37,8 +37,8 @@
     version="2.0.4",
     docs_url="/",
     redoc_url="/docs",
-    on_startup=[setup_client_session],
-    on_shutdown=[teardown_client_session],
+    on_startup=[session.setup_client_session],
+    on_shutdown=[session.teardown_client_session],
 )
 
 # #####################
diff --git a/app/utils/httputils.py b/app/utils/httputils.py
index a0793170..7dd13c76 100644
--- a/app/utils/httputils.py
+++ b/app/utils/httputils.py
@@ -3,28 +3,29 @@
 
 from aiohttp import ClientSession
 
-# Singleton aiohttp.ClientSession instance.
-CLIENT_SESSION: ClientSession
 
+class Session:
+    __CLIENT_SESSION: ClientSession
+    __LOGGER = logging.getLogger(__name__)
+    
+    async def setup_client_session(self) -> None:
+        """Set up the application-global aiohttp.ClientSession instance.
 
-LOGGER = logging.getLogger(__name__)
+        aiohttp recommends that only one ClientSession exist for the lifetime of an application.
+        See: https://docs.aiohttp.org/en/stable/client_quickstart.html#make-a-request
 
+        """
+        self.__LOGGER.info("Setting up global aiohttp.ClientSession.")
+        self.__CLIENT_SESSION = ClientSession()
+    
 
-async def setup_client_session():
-    """Set up the application-global aiohttp.ClientSession instance.
 
-    aiohttp recommends that only one ClientSession exist for the lifetime of an application.
-    See: https://docs.aiohttp.org/en/stable/client_quickstart.html#make-a-request
+    async def teardown_client_session():
+        """Close the application-global aiohttp.ClientSession.
+        """
+        self.__LOGGER.info("Closing global aiohttp.ClientSession.")
+        await self.__CLIENT_SESSION.close()
+
 
-    """
-    global CLIENT_SESSION  # pylint: disable=global-statement
-    LOGGER.info("Setting up global aiohttp.ClientSession.")
-    CLIENT_SESSION = ClientSession()
 
 
-async def teardown_client_session():
-    """Close the application-global aiohttp.ClientSession.
-    """
-    global CLIENT_SESSION  # pylint: disable=global-statement
-    LOGGER.info("Closing global aiohttp.ClientSession.")
-    await CLIENT_SESSION.close()