diff --git a/package.json b/package.json
index 25ed180..1fd0ac9 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "main": "index.js",
   "name": "libsession_util_nodejs",
   "description": "Wrappers for the Session Util Library",
-  "version": "0.4.14",
+  "version": "0.4.15",
   "license": "GPL-3.0",
   "author": {
     "name": "Oxen Project",
diff --git a/types/groups/groupmembers.d.ts b/types/groups/groupmembers.d.ts
index 235f20b..e1d198f 100644
--- a/types/groups/groupmembers.d.ts
+++ b/types/groups/groupmembers.d.ts
@@ -116,6 +116,7 @@ declare module 'libsession_util_nodejs' {
     memberSetPromotionAccepted: (pubkeyHex: PubkeyType) => void;
 
     memberSetProfilePicture: (pubkeyHex: PubkeyType, profilePicture: ProfilePicture) => void;
+    memberSetSupplement: (pubkeyHex: PubkeyType) => void;
     membersMarkPendingRemoval: (members: Array<PubkeyType>, withMessages: boolean) => void;
 
     // eraser
diff --git a/types/groups/metagroup.d.ts b/types/groups/metagroup.d.ts
index dce0ef0..48a11b7 100644
--- a/types/groups/metagroup.d.ts
+++ b/types/groups/metagroup.d.ts
@@ -104,6 +104,7 @@ declare module 'libsession_util_nodejs' {
     public memberEraseAndRekey: MetaGroupWrapper['memberEraseAndRekey'];
     public membersMarkPendingRemoval: MetaGroupWrapper['membersMarkPendingRemoval'];
     public memberSetProfilePicture: MetaGroupWrapper['memberSetProfilePicture'];
+    public memberSetSupplement: MetaGroupWrapper['memberSetSupplement'];
 
     // keys
     public keysNeedsRekey: MetaGroupWrapper['keysNeedsRekey'];
@@ -153,6 +154,7 @@ declare module 'libsession_util_nodejs' {
     | MakeActionCall<MetaGroupWrapper, 'memberEraseAndRekey'>
     | MakeActionCall<MetaGroupWrapper, 'membersMarkPendingRemoval'>
     | MakeActionCall<MetaGroupWrapper, 'memberSetProfilePicture'>
+    | MakeActionCall<MetaGroupWrapper, 'memberSetSupplement'>
 
     // keys actions
     | MakeActionCall<MetaGroupWrapper, 'keysNeedsRekey'>