diff --git a/src/newsreader/conf/base.py b/src/newsreader/conf/base.py
index 593c42c..bba7a37 100644
--- a/src/newsreader/conf/base.py
+++ b/src/newsreader/conf/base.py
@@ -115,4 +115,5 @@ REST_FRAMEWORK = {
         "rest_framework.permissions.IsAuthenticated",
         "newsreader.auth.permissions.IsOwner",
     ),
+    "DEFAULT_RENDERER_CLASSES": ("rest_framework.renderers.JSONRenderer",),
 }