diff --git a/server/src/server/user/sql.gleam b/server/src/server/user/sql.gleam
index 9176571..d289595 100644
--- a/server/src/server/user/sql.gleam
+++ b/server/src/server/user/sql.gleam
@@ -78,8 +78,7 @@ pub type FindByEmailPrefixRow {
   )
 }
 
-/// Runs the `find_by_email_prefix` query
-/// defined in `./src/server/user/sql/find_by_email_prefix.sql`.
+/// 󰇮  Find all users which email starts with the given prefix
 ///
 /// > 🐿️ This function was generated automatically using v4.6.0 of
 /// > the [squirrel package](https://github.com/giacomocavalieri/squirrel).
@@ -106,7 +105,8 @@ pub fn find_by_email_prefix(
     ))
   }
 
-  "select
+  "-- 󰇮  Find all users which email starts with the given prefix
+select
     u.id,
     u.user_role as role,
     u.full_name,
@@ -114,7 +114,7 @@ pub fn find_by_email_prefix(
     u.phone,
     u.is_active
 from user_account as u
-where starts_with(lower(u.email), $1)
+where starts_with(u.email_lowercase, lower($1::text))
 limit $2;
 "
   |> pog.query
diff --git a/server/src/server/user/sql/find_by_email_prefix.sql b/server/src/server/user/sql/find_by_email_prefix.sql
index ed87b87..1bf7ced 100644
--- a/server/src/server/user/sql/find_by_email_prefix.sql
+++ b/server/src/server/user/sql/find_by_email_prefix.sql
@@ -1,3 +1,4 @@
+-- 󰇮  Find all users which email starts with the given prefix
 select
     u.id,
     u.user_role as role,
@@ -6,5 +7,5 @@ select
     u.phone,
     u.is_active
 from user_account as u
-where starts_with(lower(u.email), $1)
+where starts_with(u.email_lowercase, lower($1::text))
 limit $2;
diff --git a/sql/create/tables.sql b/sql/create/tables.sql
index 8c61b73..b42ad93 100644
--- a/sql/create/tables.sql
+++ b/sql/create/tables.sql
@@ -23,12 +23,14 @@ create table user_account (
     created_at timestamp not null default current_timestamp,
     updated_at timestamp not null default current_timestamp,
 
+    email_lowercase text generated always
+    as (lower(email)) stored,
+
     primary key (id)
 );
 
-create index idx_user_account_email
-on user_account (email);
-
+create index idx_user_account_email_lowercase
+on user_account (email_lowercase);
 
 create table crew (
     id uuid default uuidv7(),