diff --git a/redmine_reporter/config.py b/redmine_reporter/config.py
index cada757..d156ace 100644
--- a/redmine_reporter/config.py
+++ b/redmine_reporter/config.py
@@ -3,7 +3,7 @@ from typing import Union
 
 from dotenv import load_dotenv
 
-load_dotenv()
+load_dotenv(override=False)
 
 DEFAULT_REDMINE_VERIFY = "/etc/ssl/certs/ca-certificates.crt"
 FALSE_VALUES = {"0", "false", "no", "off"}
@@ -25,7 +25,7 @@ class Config:
 
     @classmethod
     def get_redmine_password(cls) -> str:
-        return os.getenv("REDMINE_PASSWORD", "")
+        return os.getenv("REDMINE_PASSWORD", "").strip()
 
     @classmethod
     def get_redmine_verify(cls) -> Union[bool, str]:
diff --git a/tests/test_config.py b/tests/test_config.py
index 46b767f..b7a54ca 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -99,3 +99,27 @@ def test_get_redmine_verify_true_values(value):
 @mock.patch.dict(os.environ, {"REDMINE_VERIFY": "/tmp/redmine-ca.pem"}, clear=True)
 def test_get_redmine_verify_custom_path():
     assert Config.get_redmine_verify() == "/tmp/redmine-ca.pem"
+
+
+# -- #15: .env не должен переопределять переменные окружения --
+
+
+@mock.patch("dotenv.load_dotenv")
+def test_env_var_takes_priority_over_dotenv(mock_load):
+    """load_dotenv вызывается с override=False — env vars не перебиваются .env."""
+    import importlib
+
+    from redmine_reporter import config as cfg_mod
+
+    importlib.reload(cfg_mod)
+
+    mock_load.assert_called_once_with(override=False)
+
+
+# -- #35: get_redmine_password должен делать .strip() --
+
+
+@mock.patch.dict(os.environ, {"REDMINE_PASSWORD": "  secret123  "}, clear=True)
+def test_get_redmine_password_strips_whitespace():
+    """Пароль обрезается от whitespace, как и все остальные геттеры."""
+    assert Config.get_redmine_password() == "secret123"