diff --git a/specs/openapi.json b/specs/openapi.json
index a970f5a..fd3e938 100644
--- a/specs/openapi.json
+++ b/specs/openapi.json
@@ -22207,6 +22207,9 @@
           },
           "lobby_member": {
             "$ref": "#/components/schemas/MessageLobbyMemberResponse"
+          },
+          "actor": {
+            "$ref": "#/components/schemas/UserResponse"
           }
         },
         "required": [
@@ -33742,6 +33745,9 @@
           "lobby_member": {
             "$ref": "#/components/schemas/MessageLobbyMemberResponse"
           },
+          "actor": {
+            "$ref": "#/components/schemas/UserResponse"
+          },
           "reactions": {
             "type": "array",
             "items": {
@@ -37959,6 +37965,9 @@
           "lobby_member": {
             "$ref": "#/components/schemas/MessageLobbyMemberResponse"
           },
+          "actor": {
+            "$ref": "#/components/schemas/UserResponse"
+          },
           "reactions": {
             "type": "array",
             "items": {
diff --git a/specs/openapi_preview.json b/specs/openapi_preview.json
index 4dd53d3..bc852a3 100644
--- a/specs/openapi_preview.json
+++ b/specs/openapi_preview.json
@@ -22219,6 +22219,9 @@
           },
           "lobby_member": {
             "$ref": "#/components/schemas/MessageLobbyMemberResponse"
+          },
+          "actor": {
+            "$ref": "#/components/schemas/UserResponse"
           }
         },
         "required": [
@@ -33767,6 +33770,9 @@
           "lobby_member": {
             "$ref": "#/components/schemas/MessageLobbyMemberResponse"
           },
+          "actor": {
+            "$ref": "#/components/schemas/UserResponse"
+          },
           "reactions": {
             "type": "array",
             "items": {
@@ -37984,6 +37990,9 @@
           "lobby_member": {
             "$ref": "#/components/schemas/MessageLobbyMemberResponse"
           },
+          "actor": {
+            "$ref": "#/components/schemas/UserResponse"
+          },
           "reactions": {
             "type": "array",
             "items": {