diff --git a/frontend/schema.graphql b/frontend/schema.graphql
index 0a190feb..1e1fefe6 100644
--- a/frontend/schema.graphql
+++ b/frontend/schema.graphql
@@ -1165,7 +1165,7 @@ union Viewer = User | Anonymous
 """
 Represents the current viewer's session
 """
-union ViewerSession = BrowserSession | Anonymous
+union ViewerSession = BrowserSession | Oauth2Session | Anonymous
 
 schema {
   query: Query
diff --git a/frontend/src/gql/graphql.ts b/frontend/src/gql/graphql.ts
index 281d9b0c..4cb414e0 100644
--- a/frontend/src/gql/graphql.ts
+++ b/frontend/src/gql/graphql.ts
@@ -873,7 +873,7 @@ export enum VerifyEmailStatus {
 export type Viewer = Anonymous | User;
 
 /** Represents the current viewer's session */
-export type ViewerSession = Anonymous | BrowserSession;
+export type ViewerSession = Anonymous | BrowserSession | Oauth2Session;
 
 export type CurrentViewerQueryQueryVariables = Exact<{ [key: string]: never }>;
 
@@ -892,7 +892,8 @@ export type CurrentViewerSessionQueryQuery = {
   __typename?: "Query";
   viewerSession:
     | { __typename: "Anonymous"; id: string }
-    | { __typename: "BrowserSession"; id: string };
+    | { __typename: "BrowserSession"; id: string }
+    | { __typename: "Oauth2Session" };
 };
 
 export type AddEmailMutationVariables = Exact<{
diff --git a/frontend/src/gql/schema.ts b/frontend/src/gql/schema.ts
index 20b28be8..87e97f66 100644
--- a/frontend/src/gql/schema.ts
+++ b/frontend/src/gql/schema.ts
@@ -2601,6 +2601,10 @@ export default {
             kind: "OBJECT",
             name: "BrowserSession",
           },
+          {
+            kind: "OBJECT",
+            name: "Oauth2Session",
+          },
         ],
       },
       {