diff --git a/changelog.d/20230526_151849_johan.castiblanco_update_authsource_mongo.md b/changelog.d/20230526_151849_johan.castiblanco_update_authsource_mongo.md
new file mode 100644
index 0000000..c058004
--- /dev/null
+++ b/changelog.d/20230526_151849_johan.castiblanco_update_authsource_mongo.md
@@ -0,0 +1 @@
+- [Bugfix] Change `authSource` to `authsource`(LOWERCASE) in mongo db parameters. This allow to authenticate with credentials in openedx code.(by @johanv26)
diff --git a/tutor/templates/apps/openedx/settings/partials/common_all.py b/tutor/templates/apps/openedx/settings/partials/common_all.py
index 222fe9e..c7a4669 100644
--- a/tutor/templates/apps/openedx/settings/partials/common_all.py
+++ b/tutor/templates/apps/openedx/settings/partials/common_all.py
@@ -13,7 +13,7 @@ mongodb_parameters = {
     "password": {% if MONGODB_PASSWORD %}"{{ MONGODB_PASSWORD }}"{% else %}None{% endif %},
     # Connection/Authentication
     "ssl": {{ MONGODB_USE_SSL }},
-    "authSource": "{{ MONGODB_AUTH_SOURCE }}",
+    "authsource": "{{ MONGODB_AUTH_SOURCE }}",
     "replicaSet": {% if MONGODB_REPLICA_SET %}"{{ MONGODB_REPLICA_SET }}"{% else %}None{% endif %},
     {% if MONGODB_AUTH_MECHANISM %}"authMechanism": "{{ MONGODB_AUTH_MECHANISM }}",{% endif %}
 }