diff --git a/backend/chainlit/oauth_providers.py b/backend/chainlit/oauth_providers.py
index 5ed9228f51..aa3e16269e 100644
--- a/backend/chainlit/oauth_providers.py
+++ b/backend/chainlit/oauth_providers.py
@@ -45,12 +45,25 @@ def get_prompt(self) -> Optional[str]:
 
 class GithubOAuthProvider(OAuthProvider):
     id = "github"
-    env = ["OAUTH_GITHUB_CLIENT_ID", "OAUTH_GITHUB_CLIENT_SECRET"]
-    authorize_url = "https://github.com/login/oauth/authorize"
+    env = [
+        "OAUTH_GITHUB_CLIENT_ID",
+        "OAUTH_GITHUB_CLIENT_SECRET",
+        "OAUTH_GITHUB_CUSTOM_URL",
+        "OAUTH_GITHUB_CUSTOM_API_URL",
+    ]
 
     def __init__(self):
         self.client_id = os.environ.get("OAUTH_GITHUB_CLIENT_ID")
         self.client_secret = os.environ.get("OAUTH_GITHUB_CLIENT_SECRET")
+        self.github_domain = os.environ.get("OAUTH_GITHUB_CUSTOM_URL", "github.com")
+        self.api_url = os.environ.get(
+            "OAUTH_GITHUB_CUSTOM_API_URL",
+            f"https://api.{self.github_domain}",
+        )
+
+        self.authorize_url = f"https://{self.github_domain}/login/oauth/authorize"
+        self.access_token_url = f"https://{self.github_domain}/login/oauth/access_token"
+
         self.authorize_params = {
             "scope": "user:email",
         }
@@ -66,7 +79,7 @@ async def get_token(self, code: str, url: str):
         }
         async with httpx.AsyncClient() as client:
             response = await client.post(
-                "https://github.com/login/oauth/access_token",
+                self.access_token_url,
                 data=payload,
             )
             response.raise_for_status()
@@ -81,14 +94,14 @@ async def get_token(self, code: str, url: str):
     async def get_user_info(self, token: str):
         async with httpx.AsyncClient() as client:
             user_response = await client.get(
-                "https://api.github.com/user",
+                f"{self.api_url}/user",
                 headers={"Authorization": f"token {token}"},
             )
             user_response.raise_for_status()
             github_user = user_response.json()
 
             emails_response = await client.get(
-                "https://api.github.com/user/emails",
+                f"{self.api_url}/user/emails",
                 headers={"Authorization": f"token {token}"},
             )
             emails_response.raise_for_status()