diff --git a/app/data/__init__.py b/app/data/__init__.py
index 60a75dac..87f17401 100644
--- a/app/data/__init__.py
+++ b/app/data/__init__.py
@@ -3,19 +3,24 @@
 from ..services.location.jhu import JhuLocationService
 from ..services.location.nyt import NYTLocationService
 
+
 # Mapping of services to data-sources.
-DATA_SOURCES = {
-    "jhu": JhuLocationService(),
-    "csbs": CSBSLocationService(),
-    "nyt": NYTLocationService(),
-}
+class DataSources:
+    data_sources = {}
+
+    def __init__(self):
+        self.data_sources = {
+            "jhu": JhuLocationService(),
+            "csbs": CSBSLocationService(),
+            "nyt": NYTLocationService(),
+        }
 
 
-def data_source(source):
+def data_source(self, source):
     """
     Retrieves the provided data-source service.
 
     :returns: The service.
     :rtype: LocationService
     """
-    return DATA_SOURCES.get(source.lower())
+    return self.data_sources.get(source.lower())
diff --git a/app/routers/v2.py b/app/routers/v2.py
index 31eb408c..aa3a09de 100644
--- a/app/routers/v2.py
+++ b/app/routers/v2.py
@@ -3,7 +3,7 @@
 
 from fastapi import APIRouter, HTTPException, Request
 
-from ..data import DATA_SOURCES
+from ..data import DataSources
 from ..models import LatestResponse, LocationResponse, LocationsResponse
 
 V2 = APIRouter()
@@ -107,4 +107,4 @@ async def sources():
     """
     Retrieves a list of data-sources that are availble to use.
     """
-    return {"sources": list(DATA_SOURCES.keys())}
+    return {"sources": list(DataSources.keys())}