diff --git a/databasez/core.py b/databasez/core.py
index 89f76c4..a7f6519 100644
--- a/databasez/core.py
+++ b/databasez/core.py
@@ -569,7 +569,8 @@ def __init__(self, url: typing.Union[str, "DatabaseURL"]):
                 f"Invalid type for DatabaseURL. Expected str or DatabaseURL, got {type(url)}"
             )
 
-    def _sanitize_password(self, url: URL) -> URL:
+    @classmethod
+    def _sanitize_password(cls, url: URL) -> URL:
         """
         Making sure all the passwords are allowed.
         """
@@ -585,7 +586,7 @@ def _sanitize_password(self, url: URL) -> URL:
     def components(self) -> SplitResult:
         if not hasattr(self, "_components"):
             raw_url = make_url(self._url)
-            url = self._sanitize_password(raw_url)
+            url = DatabaseURL._sanitize_password(raw_url)
             self._components = urlsplit(url.render_as_string(hide_password=False))
         return self._components
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 347d10a..b4edef2 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -6,7 +6,7 @@ services:
     environment:
       POSTGRES_HOST_AUTH_METHOD: trust
       POSTGRES_USER: "postgres"
-      POSTGRES_PASSWORD: "password*1123456879#"
+      POSTGRES_PASSWORD: "passwsss*1348394#"
       POSTGRES_DB: "testsuite"
     expose:
       - "5432"
@@ -19,8 +19,8 @@ services:
     environment:
       MYSQL_USER: "mysql"
       MYSQL_PASSWORD: "mysql"
-      MYSQL_DATABASE: "testsuite"
-      MYSQL_ROOT_PASSWORD: "password*1123456879#"
+      MYSQL_DATABASE: "passwsss*1348394#"
+      MYSQL_ROOT_PASSWORD: "password"
     expose:
       - "3306"
     ports:
diff --git a/tests/test_databases.py b/tests/test_databases.py
index 23c6b61..128175d 100644
--- a/tests/test_databases.py
+++ b/tests/test_databases.py
@@ -10,6 +10,7 @@
 
 import pytest
 import sqlalchemy
+from sqlalchemy.engine import URL, make_url
 
 from databasez import Database, DatabaseURL
 
@@ -17,9 +18,12 @@
 
 DATABASE_URLS = [url.strip() for url in os.environ["TEST_DATABASE_URLS"].split(",")]
 
+
 DATABASE_CONFIG_URLS = []
 for value in DATABASE_URLS:
-    spliter = urlsplit(value)
+    raw_url = make_url(value)
+    url: URL = DatabaseURL._sanitize_password(raw_url)
+    spliter = urlsplit(url.render_as_string(hide_password=False))
     DATABASE_CONFIG_URLS.append(
         {
             "connection": {
@@ -39,7 +43,7 @@
 
 class AsyncMock(MagicMock):
     async def __call__(self, *args, **kwargs):
-        return super(AsyncMock, self).__call__(*args, **kwargs)
+        return super().__call__(*args, **kwargs)
 
 
 class MyEpochType(sqlalchemy.types.TypeDecorator):