diff --git a/xmtp_mls/src/configuration.rs b/xmtp_mls/src/configuration.rs
index ed49fa75e..58fd3a0b1 100644
--- a/xmtp_mls/src/configuration.rs
+++ b/xmtp_mls/src/configuration.rs
@@ -33,3 +33,5 @@ pub const MAX_GROUP_SIZE: u8 = 250;
 /// | 0x0005           | external_senders         | GC         | Y           | RFC XXXX  |
 /// | 0xff00  - 0xffff | Reserved for Private Use | N/A        | N/A         | RFC XXXX  |
 pub const MUTABLE_METADATA_EXTENSION_ID: u16 = 0xff00;
+
+pub const DEFAULT_GROUP_NAME: &str = "New Group";
diff --git a/xmtp_mls/src/groups/mod.rs b/xmtp_mls/src/groups/mod.rs
index 15b2d97e0..1efd016b1 100644
--- a/xmtp_mls/src/groups/mod.rs
+++ b/xmtp_mls/src/groups/mod.rs
@@ -59,7 +59,9 @@ use self::{
 
 use crate::{
     client::{deserialize_welcome, ClientError, MessageProcessingError},
-    configuration::{CIPHERSUITE, MAX_GROUP_SIZE, MUTABLE_METADATA_EXTENSION_ID},
+    configuration::{
+        CIPHERSUITE, DEFAULT_GROUP_NAME, MAX_GROUP_SIZE, MUTABLE_METADATA_EXTENSION_ID,
+    },
     hpke::{decrypt_welcome, HpkeError},
     identity::{Identity, IdentityError},
     retry::RetryableError,
@@ -207,8 +209,7 @@ where
             &client.identity,
             permissions.unwrap_or_default().to_policy_set(),
         )?;
-        // TODO: Add constant for default group name
-        let mutable_metadata = build_mutable_metadata_extension("New Group".to_string())?;
+        let mutable_metadata = build_mutable_metadata_extension(DEFAULT_GROUP_NAME.to_string())?;
         let group_config = build_group_config(protected_metadata, mutable_metadata)?;
 
         let mut mls_group = OpenMlsGroup::new(