diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 95be9061..53459421 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,8 +17,8 @@ jobs:
         poetry-version: ["1.7.1"]
         mint-cache-secrets: ["false", "true"]
         mint-only-deprecated: ["false", "true"]
-        # db-url: ["", "postgres://cashu:cashu@localhost:5432/cashu"] # TODO: Postgres test not working
-        db-url: [""]
+        mint-database: ["./test_data/test_mint", "postgres://cashu:cashu@localhost:5432/cashu"]
+        # mint-database: [""]
         backend-wallet-class: ["FakeWallet"]
     uses: ./.github/workflows/tests.yml
     with:
@@ -27,6 +27,7 @@ jobs:
       poetry-version: ${{ matrix.poetry-version }}
       mint-cache-secrets: ${{ matrix.mint-cache-secrets }}
       mint-only-deprecated: ${{ matrix.mint-only-deprecated }}
+      mint-database: ${{ matrix.mint-database }}
   regtest:
     uses: ./.github/workflows/regtest.yml
     strategy:
@@ -38,3 +39,4 @@ jobs:
     with:
       python-version: ${{ matrix.python-version }}
       backend-wallet-class: ${{ matrix.backend-wallet-class }}
+      mint-database: "./test_data/test_mint"
diff --git a/.github/workflows/regtest.yml b/.github/workflows/regtest.yml
index 48653736..46e2d8ed 100644
--- a/.github/workflows/regtest.yml
+++ b/.github/workflows/regtest.yml
@@ -12,7 +12,7 @@ on:
       os-version:
         default: "ubuntu-latest"
         type: string
-      db-url:
+      mint-database:
         default: ""
         type: string
       backend-wallet-class:
@@ -23,6 +23,20 @@ jobs:
   regtest:
     runs-on: ${{ inputs.os-version }}
     timeout-minutes: 10
+    services:
+      postgres:
+        image: postgres:latest
+        env:
+          POSTGRES_USER: cashu
+          POSTGRES_PASSWORD: cashu
+          POSTGRES_DB: cashu
+        ports:
+          - 5432:5432
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
     steps:
       - uses: actions/checkout@v3
 
@@ -47,7 +61,7 @@ jobs:
           WALLET_NAME: test_wallet
           MINT_HOST: localhost
           MINT_PORT: 3337
-          MINT_DATABASE: ${{ inputs.db-url }}
+          MINT_TEST_DATABASE: ${{ inputs.mint-database }}
           TOR: false
           MINT_LIGHTNING_BACKEND: ${{ inputs.backend-wallet-class }}
           MINT_LNBITS_ENDPOINT: http://localhost:5001
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 6659b06a..cf1a176b 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -9,7 +9,7 @@ on:
       poetry-version:
         default: "1.7.1"
         type: string
-      db-url:
+      mint-database:
         default: ""
         type: string
       os:
@@ -24,7 +24,7 @@ on:
 
 jobs:
   poetry:
-    name: Run (mint-cache-secrets ${{ inputs.mint-cache-secrets }}, mint-only-deprecated ${{ inputs.mint-only-deprecated }})
+    name: Run (mint-cache-secrets ${{ inputs.mint-cache-secrets }}, mint-only-deprecated ${{ inputs.mint-only-deprecated }}, mint-database ${{ inputs.mint-database }})
     runs-on: ${{ inputs.os }}
     services:
       postgres:
@@ -53,7 +53,7 @@ jobs:
           WALLET_NAME: test_wallet
           MINT_HOST: localhost
           MINT_PORT: 3337
-          MINT_DATABASE: ${{ inputs.db-url }}
+          MINT_TEST_DATABASE: ${{ inputs.mint-database }}
           MINT_CACHE_SECRETS: ${{ inputs.mint-cache-secrets }}
           DEBUG_MINT_ONLY_DEPRECATED: ${{ inputs.mint-only-deprecated }}
           TOR: false
diff --git a/cashu/core/settings.py b/cashu/core/settings.py
index ace76940..5bf13d4a 100644
--- a/cashu/core/settings.py
+++ b/cashu/core/settings.py
@@ -56,6 +56,7 @@ class MintSettings(CashuSettings):
     mint_listen_port: int = Field(default=3338)
     mint_lightning_backend: str = Field(default="LNbitsWallet")
     mint_database: str = Field(default="data/mint")
+    mint_test_database: str = Field(default="test_data/test_mint")
     mint_peg_out_only: bool = Field(
         default=False,
         title="Peg-out only",
diff --git a/tests/conftest.py b/tests/conftest.py
index 53a36c4a..231853eb 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -35,7 +35,7 @@
 settings.fakewallet_brr = True
 settings.fakewallet_delay_payment = False
 settings.fakewallet_stochastic_invoice = False
-settings.mint_database = "./test_data/test_mint"
+settings.mint_database = settings.mint_test_database
 settings.mint_derivation_path = "m/0'/0'/0'"
 settings.mint_derivation_path_list = []
 settings.mint_private_key = "TEST_PRIVATE_KEY"
@@ -100,6 +100,13 @@ async def start_mint_init(ledger: Ledger):
         db_file = os.path.join(settings.mint_database, "mint.sqlite3")
         if os.path.exists(db_file):
             os.remove(db_file)
+    else:
+        # clear postgres database
+        db = Database("mint", settings.mint_database)
+        async with db.connect() as conn:
+            await conn.execute("DROP SCHEMA public CASCADE;")
+            await conn.execute("CREATE SCHEMA public;")
+
     wallets_module = importlib.import_module("cashu.lightning")
     lightning_backend = getattr(wallets_module, settings.mint_lightning_backend)()
     backends = {
diff --git a/tests/helpers.py b/tests/helpers.py
index f121711d..94fe729b 100644
--- a/tests/helpers.py
+++ b/tests/helpers.py
@@ -31,6 +31,7 @@ async def get_random_invoice_data():
 is_regtest: bool = not is_fake
 is_deprecated_api_only = settings.debug_mint_only_deprecated
 is_github_actions = os.getenv("GITHUB_ACTIONS") == "true"
+is_postgres = settings.mint_database.startswith("postgres")
 
 docker_lightning_cli = [
     "docker",
diff --git a/tests/test_mint_db.py b/tests/test_mint_db.py
index d45a4200..1d006a2f 100644
--- a/tests/test_mint_db.py
+++ b/tests/test_mint_db.py
@@ -6,6 +6,7 @@
 from cashu.wallet.wallet import Wallet
 from cashu.wallet.wallet import Wallet as Wallet1
 from tests.conftest import SERVER_ENDPOINT
+from tests.helpers import is_postgres
 
 
 async def assert_err(f, msg):
@@ -61,3 +62,10 @@ async def test_melt_quote(wallet1: Wallet, ledger: Ledger):
     assert quote.checking_id == invoice.payment_hash
     assert quote.paid_time is None
     assert quote.created_time
+
+
+@pytest.mark.asyncio
+@pytest.mark.skipif(not is_postgres, reason="only works with Postgres")
+async def test_postgres_working():
+    assert is_postgres
+    assert True