diff --git a/src/index.tsx b/src/index.tsx
index e0fec82..d9b90e9 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -2154,6 +2154,7 @@ export enum ProcessingStatusEnum {
 
 export type Query = {
   __typename?: "Query";
+  doesUsernameExist: Scalars["Boolean"]["output"];
   getAggregatedShotMetrics: Array<AggregateResultGql>;
   getBucketSet?: Maybe<BucketSetGql>;
   getDeployedConfig: DeployedConfigGql;
@@ -2176,6 +2177,10 @@ export type Query = {
   waitFor: Scalars["Float"]["output"];
 };
 
+export type QueryDoesUsernameExistArgs = {
+  candidateUsername: Scalars["String"]["input"];
+};
+
 export type QueryGetAggregatedShotMetricsArgs = {
   aggregateInput: AggregateInputGql;
 };
diff --git a/src/schema.gql b/src/schema.gql
index 870938c..bb6285e 100644
--- a/src/schema.gql
+++ b/src/schema.gql
@@ -29,6 +29,7 @@ type Query {
   getShotsByIds(ids: [Int!]!): [ShotGQL!]!
   getShotAnnotationTypes(errorTypes: Boolean = false): [ShotAnnotationTypeGQL!]!
   getUser(userId: Int!): UserGQL
+  doesUsernameExist(candidateUsername: String!): Boolean!
   getLoggedInUser: UserGQL
   getUsernames(
     matchString: String = null