diff --git a/cms/envs/common.py b/cms/envs/common.py
index ebc101801f..1a830a8687 100644
--- a/cms/envs/common.py
+++ b/cms/envs/common.py
@@ -2339,7 +2339,6 @@ CACHES = {
 
 ############################ OAUTH2 Provider ###################################
 
-
 # 5 minute expiration time for JWT id tokens issued for external API requests.
 OAUTH_ID_TOKEN_EXPIRATION = 5 * 60
 
@@ -2355,6 +2354,12 @@ API_ACCESS_FROM_EMAIL = 'api-requests@example.com'
 API_DOCUMENTATION_URL = 'https://course-catalog-api-guide.readthedocs.io/en/latest/'
 AUTH_DOCUMENTATION_URL = 'https://course-catalog-api-guide.readthedocs.io/en/latest/authentication/index.html'
 
+EDX_DRF_EXTENSIONS = {
+    # Set this value to an empty dict in order to prevent automatically updating
+    # user data from values in (possibly stale) JWTs.
+    'JWT_PAYLOAD_USER_ATTRIBUTE_MAPPING': {},
+}
+
 ############## Settings for Studio Context Sensitive Help ##############
 
 HELP_TOKENS_INI_FILE = REPO_ROOT / "cms" / "envs" / "help_tokens.ini"