diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4b9cd768..50a4e7ef 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## v24.17
 
 ### Pre-releases
+- `v24.17-alpha2`
 - `v24.17-beta1`
 - `v24.17-alpha1`
 
@@ -11,6 +12,7 @@
 - Fix searching credentials with multiple filters (#362, `v24.06-alpha14`)
 
 ### Features
+- User invitations are enabled by default (#367, `v24.17-alpha2`)
 - When invitation cannot be created because the user already exists, the invitation is re-sent (#364, `v24.17-alpha1`)
 - When no communication channel is configured, invitation and password reset URLs are returned in admin responses (#364, `v24.17-alpha1`)
 - Listing assigned tenants and roles no longer requires resource authorization (#348, `v24.06-alpha13`)
diff --git a/seacatauth/credentials/providers/abc.py b/seacatauth/credentials/providers/abc.py
index 4e2745b4..689ec23a 100644
--- a/seacatauth/credentials/providers/abc.py
+++ b/seacatauth/credentials/providers/abc.py
@@ -18,8 +18,8 @@ class CredentialsProviderABC(asab.Configurable, abc.ABC):
 	RegistrationEnabled = False
 
 	ConfigDefaults = {
-		'tenants': 'no',
-		'register': 'no',  # Yes, if this credentials provider handles registration
+		"tenants": "no",
+		"registration": "no",  # Yes, if this provider allows inviting and registering new users
 	}
 
 	def __init__(self, provider_id, config_section_name, config=None):
diff --git a/seacatauth/credentials/providers/m2m_mongodb.py b/seacatauth/credentials/providers/m2m_mongodb.py
index 136cfa63..b168c48e 100644
--- a/seacatauth/credentials/providers/m2m_mongodb.py
+++ b/seacatauth/credentials/providers/m2m_mongodb.py
@@ -54,6 +54,7 @@ class M2MMongoDBCredentialsProvider(MongoDBCredentialsProvider):
 
 	def __init__(self, app, provider_id, config_section_name):
 		super().__init__(app, provider_id, config_section_name)
+		self.RegistrationEnabled = False
 		self.RegistrationFeatures = None
 
 	async def initialize(self):
diff --git a/seacatauth/credentials/providers/mongodb.py b/seacatauth/credentials/providers/mongodb.py
index bcdb25c1..687ef393 100644
--- a/seacatauth/credentials/providers/mongodb.py
+++ b/seacatauth/credentials/providers/mongodb.py
@@ -61,8 +61,8 @@ class MongoDBCredentialsProvider(EditableCredentialsProviderABC):
 
 	ConfigDefaults = {
 		"credentials_collection": "c",
-		"tenants": "no",
-		"registration": "no",
+		"tenants": "yes",
+		"registration": "yes",
 	}