diff --git a/plugins/auth-backend/src/database/UserInfoDatabase.test.ts b/plugins/auth-backend/src/database/UserInfoDatabase.test.ts
index 4b1aa3f3c6..edaeec450b 100644
--- a/plugins/auth-backend/src/database/UserInfoDatabase.test.ts
+++ b/plugins/auth-backend/src/database/UserInfoDatabase.test.ts
@@ -75,8 +75,8 @@ describe('UserInfoDatabase', () => {
         expect(savedUserInfo).toEqual({
           user_entity_ref: 'user:default/foo',
           user_info: JSON.stringify(userInfo),
-          updated_at: expect.any(String),
-          created_at: expect.any(String),
+          updated_at: expect.anything(),
+          created_at: expect.anything(),
         });
 
         userInfo.claims.ent = ['group:default/group1', 'group:default/group2'];
@@ -89,8 +89,8 @@ describe('UserInfoDatabase', () => {
         expect(updatedUserInfo).toEqual({
           user_entity_ref: 'user:default/foo',
           user_info: JSON.stringify(userInfo),
-          updated_at: expect.any(String),
-          created_at: expect.any(String),
+          updated_at: expect.anything(),
+          created_at: expect.anything(),
         });
       });
 
diff --git a/plugins/auth-backend/src/database/UserInfoDatabase.ts b/plugins/auth-backend/src/database/UserInfoDatabase.ts
index e183ef6af9..9377ab89f7 100644
--- a/plugins/auth-backend/src/database/UserInfoDatabase.ts
+++ b/plugins/auth-backend/src/database/UserInfoDatabase.ts
@@ -40,7 +40,7 @@ export class UserInfoDatabase {
       .insert({
         user_entity_ref: userInfo.claims.sub as string,
         user_info: JSON.stringify(userInfo),
-        updated_at: DateTime.utc().toSQL(),
+        updated_at: DateTime.utc().toSQL({ includeOffset: false }),
       })
       .onConflict('user_entity_ref')
       .merge();