diff --git a/CHANGELOG.md b/CHANGELOG.md
index 942383f5..6b5cf2f1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,11 @@ and this project adheres to
 
 ## [Unreleased]
 
+### Changed
+
+- 🗑️(settings) deprecate SUMMARY_SERVICE_VERSION=1
+
+
 ## [1.23.0] - 2026-07-08
 
 ### Added
diff --git a/src/backend/meet/settings.py b/src/backend/meet/settings.py
index 86bfc2a1..7faba84e 100755
--- a/src/backend/meet/settings.py
+++ b/src/backend/meet/settings.py
@@ -13,6 +13,7 @@ https://docs.djangoproject.com/en/3.1/ref/settings/
 # pylint: disable=too-many-lines
 
 import json
+import warnings
 from os import path
 from socket import gethostbyname, gethostname
 
@@ -1128,6 +1129,20 @@ class Base(Configuration):
                 "FILE_UPLOAD_TMP_PATH cannot be the same as FILE_UPLOAD_PATH"
             )
 
+        if (
+            cls.SUMMARY_SERVICE_VERSION == 1
+            and cls.SUMMARY_SERVICE_ENDPOINT is not None
+        ):
+            warnings.warn(
+                "SUMMARY_SERVICE_VERSION=1 is deprecated. "
+                "The legacy v1 API has been removed from the experimental "
+                "Summary service. Please update your Summary service deployment to "
+                "the v2 API and set SUMMARY_SERVICE_VERSION=2.",
+                # We use UserWarning to make sure it shows up in production deployment
+                UserWarning,
+                stacklevel=2,
+            )
+
         # The SENTRY_DSN setting should be available to activate sentry for an environment
         if cls.SENTRY_DSN is not None:
             sentry_sdk.init(