diff --git a/pyinfra/storage/adapters/s3.py b/pyinfra/storage/adapters/s3.py
index 3db0488..ef2b1d1 100644
--- a/pyinfra/storage/adapters/s3.py
+++ b/pyinfra/storage/adapters/s3.py
@@ -1,18 +1,27 @@
 import io
 import logging
+import re
 from itertools import repeat
 from operator import attrgetter
 from urllib.parse import urlparse
 
 from minio import Minio
 from retry import retry
-from validators import url
 
 from pyinfra.config import Config, get_config
 
+
 CONFIG = get_config()
 logger = logging.getLogger(CONFIG.logging_level_root)
 
+ALLOWED_CONNECTION_SCHEMES = {"http", "https"}
+URL_VALIDATOR = re.compile(
+    r"^((" +
+    r"([A-Za-z]{3,9}:(?:\/\/)?)" +
+    r"(?:[\-;:&=\+\$,\w]+@)?" + r"[A-Za-z0-9\.\-]+|(?:www\.|[\-;:&=\+\$,\w]+@)" +
+    r"[A-Za-z0-9\.\-]+)" + r"((?:\/[\+~%\/\.\w\-_]*)?" +
+    r"\??(?:[\-\+=&;%@\.\w_]*)#?(?:[\.\!\/\\\w]*))?)")
+
 
 class S3StorageAdapter(object):
     def __init__(self, client: Minio):
@@ -62,8 +71,8 @@ class S3StorageAdapter(object):
 
 
 def _parse_endpoint(endpoint):
-    if url(endpoint):
-        parsed_url = urlparse(endpoint)
+    parsed_url = urlparse(endpoint)
+    if URL_VALIDATOR.match(endpoint) and parsed_url.netloc and parsed_url.scheme in ALLOWED_CONNECTION_SCHEMES:
         return {"secure": parsed_url.scheme == "https", "endpoint": parsed_url.netloc}
     else:
         raise Exception(f"The configured storage endpoint is not a valid url: {endpoint}")
diff --git a/requirements.txt b/requirements.txt
index e859054..43409f0 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,4 +7,3 @@ testcontainers==3.4.2
 docker-compose==1.29.2
 pytest~=7.0.1
 funcy==1.17
-validators==0.18.2