diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fa5399d12..0fa73d9b5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -156,6 +156,37 @@ jobs:
       - name: "Test Swift Package"
         run: swift test --skip IntegrationTests
 
+  integration-tests:
+    name: Integration Tests (Linux)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - name: "Cache Swift Package"
+        uses: actions/cache@v5
+        with:
+          path: .build
+          key: ${{ runner.os }}-spm-integration-${{ hashFiles('**/Package.resolved') }}
+          restore-keys: |
+            ${{ runner.os }}-spm-integration-
+      - name: "Setup Supabase CLI"
+        uses: supabase/setup-cli@v1
+        with:
+          version: latest
+      - name: "Start Supabase"
+        working-directory: Tests/IntegrationTests
+        run: supabase start
+      - name: "Reset Database"
+        working-directory: Tests/IntegrationTests
+        run: supabase db reset
+      - name: "Run Integration Tests"
+        env:
+          INTEGRATION_TESTS: 1
+        run: swift test --filter IntegrationTests
+      - name: "Stop Supabase"
+        working-directory: Tests/IntegrationTests
+        if: always()
+        run: supabase stop
+
   # android:
   #   name: Android
   #   runs-on: ubuntu-latest
diff --git a/Tests/IntegrationTests/Postgrest/PostgrestBasicTests.swift b/Tests/IntegrationTests/Postgrest/PostgrestBasicTests.swift
index 9912b4d1c..9b0e001c6 100644
--- a/Tests/IntegrationTests/Postgrest/PostgrestBasicTests.swift
+++ b/Tests/IntegrationTests/Postgrest/PostgrestBasicTests.swift
@@ -21,7 +21,7 @@ final class PostgrestBasicTests: XCTestCase {
   )
 
   func testBasicSelectTable() async throws {
-    let response = try await client.from("users").select().execute().value as AnyJSON
+    let response = try await client.from("users").select("age_range,catchphrase,data,status,username").execute().value as AnyJSON
     assertInlineSnapshot(of: response, as: .json) {
       """
       [
diff --git a/Tests/IntegrationTests/PostgrestIntegrationTests.swift b/Tests/IntegrationTests/PostgrestIntegrationTests.swift
index 6336fcfcf..6a4428eff 100644
--- a/Tests/IntegrationTests/PostgrestIntegrationTests.swift
+++ b/Tests/IntegrationTests/PostgrestIntegrationTests.swift
@@ -51,10 +51,11 @@ final class IntegrationTests: XCTestCase {
       "INTEGRATION_TESTS not defined."
     )
 
-    // Run fresh test by deleting all data. Delete without a where clause isn't supported, so have
-    // to do this `neq` trick to delete all data.
+    // Run fresh test by deleting test data. Delete without a where clause isn't supported, so have
+    // to do this `neq` trick to delete all data. For users, only delete rows with email (test data),
+    // leaving seed data with username intact.
     try await client.from("todos").delete().neq("id", value: UUID().uuidString).execute()
-    try await client.from("users").delete().neq("id", value: UUID().uuidString).execute()
+    try await client.from("users").delete().not("email", operator: .is, value: AnyJSON.null).execute()
   }
 
   func testIntegration() async throws {
diff --git a/Tests/IntegrationTests/supabase/.temp/cli-latest b/Tests/IntegrationTests/supabase/.temp/cli-latest
index f47ab0840..8c68db770 100644
--- a/Tests/IntegrationTests/supabase/.temp/cli-latest
+++ b/Tests/IntegrationTests/supabase/.temp/cli-latest
@@ -1 +1 @@
-v2.22.12
\ No newline at end of file
+v2.67.1
\ No newline at end of file
diff --git a/Tests/IntegrationTests/supabase/migrations/20240101000000_initial_schema.sql b/Tests/IntegrationTests/supabase/migrations/20240101000000_initial_schema.sql
new file mode 100644
index 000000000..c7fb88890
--- /dev/null
+++ b/Tests/IntegrationTests/supabase/migrations/20240101000000_initial_schema.sql
@@ -0,0 +1,106 @@
+-- Create custom types
+CREATE TYPE user_status AS ENUM ('ONLINE', 'OFFLINE');
+
+-- Users table (supports both PostgrestIntegrationTests and PostgrestBasicTests)
+CREATE TABLE users (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  email TEXT,
+  username TEXT UNIQUE,
+  age_range int4range,
+  catchphrase TEXT,
+  data JSONB,
+  status user_status
+);
+
+-- Todos table
+CREATE TABLE todos (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  description TEXT NOT NULL,
+  is_complete BOOLEAN NOT NULL DEFAULT false,
+  tags TEXT[] DEFAULT '{}',
+  created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+-- Channels table
+CREATE TABLE channels (
+  id SERIAL PRIMARY KEY,
+  slug TEXT NOT NULL
+);
+
+-- Messages table
+CREATE TABLE messages (
+  id SERIAL PRIMARY KEY,
+  channel_id INTEGER REFERENCES channels(id),
+  data JSONB,
+  message TEXT,
+  username TEXT REFERENCES users(username)
+);
+
+-- Key-value storage table for Realtime tests
+CREATE TABLE key_value_storage (
+  key TEXT PRIMARY KEY,
+  value JSONB
+);
+
+-- Create updatable view (for PostgrestBasicTests)
+CREATE VIEW updatable_view AS
+SELECT username, 1 AS non_updatable_column
+FROM users
+WHERE username IS NOT NULL;
+
+-- RPC function to get status
+CREATE OR REPLACE FUNCTION get_status(name_param TEXT)
+RETURNS TEXT AS $$
+BEGIN
+  RETURN (SELECT status::TEXT FROM users WHERE username = name_param);
+END;
+$$ LANGUAGE plpgsql;
+
+-- RPC function that returns void
+CREATE OR REPLACE FUNCTION void_func()
+RETURNS VOID AS $$
+BEGIN
+  -- Does nothing
+END;
+$$ LANGUAGE plpgsql;
+
+-- RPC function to delete current user (for AuthClientIntegrationTests)
+CREATE OR REPLACE FUNCTION delete_user()
+RETURNS VOID AS $$
+BEGIN
+  DELETE FROM auth.users WHERE id = auth.uid();
+END;
+$$ LANGUAGE plpgsql SECURITY DEFINER;
+
+-- RPC function to get username and status (for PostgrestFilterTests)
+CREATE OR REPLACE FUNCTION get_username_and_status(name_param TEXT)
+RETURNS TABLE(username TEXT, status user_status) AS $$
+BEGIN
+  RETURN QUERY SELECT u.username, u.status FROM users u WHERE u.username = name_param;
+END;
+$$ LANGUAGE plpgsql;
+
+-- RPC function to get array element (for PostgrestTransformsTests)
+CREATE OR REPLACE FUNCTION get_array_element(arr TEXT[], index INT)
+RETURNS TEXT AS $$
+BEGIN
+  RETURN arr[index];
+END;
+$$ LANGUAGE plpgsql;
+
+-- Enable Row Level Security
+ALTER TABLE users ENABLE ROW LEVEL SECURITY;
+ALTER TABLE todos ENABLE ROW LEVEL SECURITY;
+ALTER TABLE messages ENABLE ROW LEVEL SECURITY;
+ALTER TABLE channels ENABLE ROW LEVEL SECURITY;
+ALTER TABLE key_value_storage ENABLE ROW LEVEL SECURITY;
+
+-- Create permissive policies for testing (allow all operations)
+CREATE POLICY "Allow all operations on users" ON users FOR ALL USING (true) WITH CHECK (true);
+CREATE POLICY "Allow all operations on todos" ON todos FOR ALL USING (true) WITH CHECK (true);
+CREATE POLICY "Allow all operations on messages" ON messages FOR ALL USING (true) WITH CHECK (true);
+CREATE POLICY "Allow all operations on channels" ON channels FOR ALL USING (true) WITH CHECK (true);
+CREATE POLICY "Allow all operations on key_value_storage" ON key_value_storage FOR ALL USING (true) WITH CHECK (true);
+
+-- Enable realtime for key_value_storage table
+ALTER PUBLICATION supabase_realtime ADD TABLE key_value_storage;
diff --git a/Tests/IntegrationTests/supabase/seed.sql b/Tests/IntegrationTests/supabase/seed.sql
new file mode 100644
index 000000000..0edf4f71d
--- /dev/null
+++ b/Tests/IntegrationTests/supabase/seed.sql
@@ -0,0 +1,20 @@
+-- Seed data for users table (PostgrestBasicTests)
+INSERT INTO users (username, age_range, catchphrase, data, status) VALUES
+  ('supabot', '[1,2)', '''cat'' ''fat''', NULL, 'ONLINE'),
+  ('kiwicopple', '[25,35)', '''bat'' ''cat''', NULL, 'OFFLINE'),
+  ('awailas', '[25,35)', '''bat'' ''rat''', NULL, 'ONLINE'),
+  ('dragarcia', '[20,30)', '''fat'' ''rat''', NULL, 'ONLINE');
+
+-- Seed data for channels table
+INSERT INTO channels (id, slug) VALUES
+  (1, 'public'),
+  (2, 'random');
+
+-- Seed data for messages table
+INSERT INTO messages (id, channel_id, data, message, username) VALUES
+  (1, 1, NULL, 'Hello World 👋', 'supabot'),
+  (2, 2, NULL, 'Perfection is attained, not when there is nothing more to add, but when there is nothing left to take away.', 'supabot');
+
+-- Reset sequences to continue from seed data
+SELECT setval('channels_id_seq', (SELECT MAX(id) FROM channels));
+SELECT setval('messages_id_seq', (SELECT MAX(id) FROM messages));