diff --git a/README.md b/README.md
index 340614a..f2ac55a 100644
--- a/README.md
+++ b/README.md
@@ -109,8 +109,8 @@ Source database configuration, currently only support MySQL and PostgreSQL and M
 
 MeiliSearch configuration.
 
-- `api_url`: the MeiliSearch API URL.
-- `api_key`: the MeiliSearch API key.
+- `api_url`: the MeiliSearch API URL. This can be set from the `MEILI_HTTP_ADDR` environment variable.
+- `api_key`: the MeiliSearch API key. This can be set with the `MEILI_MASTER_KEY` environment varable.
 
 ### sync
 
diff --git a/meilisync/settings.py b/meilisync/settings.py
index a9d5f15..2c254c9 100644
--- a/meilisync/settings.py
+++ b/meilisync/settings.py
@@ -1,6 +1,6 @@
 from typing import List, Optional
 
-from pydantic import BaseModel, BaseSettings, Extra
+from pydantic import BaseModel, BaseSettings, Extra, Field
 
 from meilisync.enums import ProgressType, SourceType
 from meilisync.plugin import load_plugin
@@ -16,9 +16,9 @@ class Config:
         extra = Extra.allow
 
 
-class MeiliSearch(BaseModel):
-    api_url: str
-    api_key: Optional[str]
+class MeiliSearch(BaseSettings):
+    api_url: str = Field(..., env="MEILI_HTTP_ADDR")
+    api_key: Optional[str] = Field(None, env="MEILI_MASTER_KEY")
 
 
 class BasePlugin(BaseModel):