diff --git a/charts/my-recipes-chart/templates/db-schema-configmap.yaml b/charts/my-recipes-chart/templates/db-schema-configmap.yaml
index 098bd55..0dcc273 100644
--- a/charts/my-recipes-chart/templates/db-schema-configmap.yaml
+++ b/charts/my-recipes-chart/templates/db-schema-configmap.yaml
@@ -48,3 +48,36 @@ data:
     CREATE INDEX IF NOT EXISTS idx_recipes_user_id
         ON recipes (user_id);
 
+    -- Add new columns to existing users table
+    DO $$ 
+    BEGIN
+        IF NOT EXISTS (
+            SELECT 1 FROM information_schema.columns 
+            WHERE table_name = 'users' AND column_name = 'first_name'
+        ) THEN
+            ALTER TABLE users ADD COLUMN first_name TEXT;
+        END IF;
+    END $$;
+
+    DO $$ 
+    BEGIN
+        IF NOT EXISTS (
+            SELECT 1 FROM information_schema.columns 
+            WHERE table_name = 'users' AND column_name = 'last_name'
+        ) THEN
+            ALTER TABLE users ADD COLUMN last_name TEXT;
+        END IF;
+    END $$;
+
+    DO $$ 
+    BEGIN
+        IF NOT EXISTS (
+            SELECT 1 FROM information_schema.columns 
+            WHERE table_name = 'users' AND column_name = 'display_name'
+        ) THEN
+            ALTER TABLE users ADD COLUMN display_name TEXT;
+            -- Set display_name to username for existing users
+            UPDATE users SET display_name = username WHERE display_name IS NULL;
+            ALTER TABLE users ALTER COLUMN display_name SET NOT NULL;
+        END IF;
+    END $$;