diff --git a/changes/881-samuelcolvin.md b/changes/881-samuelcolvin.md
new file mode 100644
index 0000000..457f323
--- /dev/null
+++ b/changes/881-samuelcolvin.md
@@ -0,0 +1 @@
+Use `FutureWarning` instead of `DeprecationWarning` when `alias` instead of `env` is used for settings models
diff --git a/pydantic/env_settings.py b/pydantic/env_settings.py
index 6fdb8b5..2adc96f 100644
--- a/pydantic/env_settings.py
+++ b/pydantic/env_settings.py
@@ -73,8 +73,9 @@ class BaseSettings(BaseModel):
                 if field.has_alias:
                     warnings.warn(
                         'aliases are no longer used by BaseSettings to define which environment variables to read. '
-                        'Instead use the "env" field setting. See https://pydantic-docs.helpmanual.io/usage/settings/',
-                        DeprecationWarning,
+                        'Instead use the "env" field setting. '
+                        'See https://pydantic-docs.helpmanual.io/usage/settings/#environment-variable-names',
+                        FutureWarning,
                     )
                 env_names = [cls.env_prefix + field.name]
             elif isinstance(env, str):
diff --git a/tests/test_settings.py b/tests/test_settings.py
index c709099..d0a6ff4 100644
--- a/tests/test_settings.py
+++ b/tests/test_settings.py
@@ -208,7 +208,7 @@ def test_env_field(env):
 
 
 def test_aliases_warning(env):
-    with pytest.warns(DeprecationWarning, match='aliases are no longer used by BaseSettings'):
+    with pytest.warns(FutureWarning, match='aliases are no longer used by BaseSettings'):
 
         class Settings(BaseSettings):
             foobar: str = 'default value'