diff --git a/Cargo.toml b/Cargo.toml
index a358f18..0d7d0da 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,8 +7,8 @@ members = [
     "oauth2-server",
     "oauth2-signin",
     "oauth2-signin/integrations/*",
-    # 
+    #
     "providers/*",
-    # 
+    #
     "examples/client/*",
 ]
diff --git a/providers/oauth2-github/src/extensions/internal_user_endpoint.rs b/providers/oauth2-github/src/extensions/internal_user_endpoint.rs
index 71a1e7a..83ae8a7 100644
--- a/providers/oauth2-github/src/extensions/internal_user_endpoint.rs
+++ b/providers/oauth2-github/src/extensions/internal_user_endpoint.rs
@@ -53,7 +53,7 @@ pub struct User {
     pub id: usize,
     pub avatar_url: String,
     pub name: String,
-    pub email: String,
+    pub email: Option<String>,
     //
     #[serde(flatten, skip_serializing_if = "Option::is_none")]
     pub _extra: Option<Map<String, Value>>,
diff --git a/providers/oauth2-github/src/extensions/user_info_endpoint.rs b/providers/oauth2-github/src/extensions/user_info_endpoint.rs
index 0bcee04..98e9961 100644
--- a/providers/oauth2-github/src/extensions/user_info_endpoint.rs
+++ b/providers/oauth2-github/src/extensions/user_info_endpoint.rs
@@ -63,7 +63,7 @@ impl TryFrom<User> for UserInfo {
         Ok(Self {
             uid: user.id.to_string(),
             name: Some(user.name.to_owned()),
-            email: Some(user.email.to_owned()),
+            email: user.email.to_owned(),
             raw: serde_json::to_value(user)
                 .map(|x| x.as_object().cloned())?
                 .ok_or_else(|| "unreachable".to_owned())?,