diff --git a/Cargo.toml b/Cargo.toml
index 4ae23b40..42d6fa66 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,6 +30,10 @@ version = "0.3.1"
 optional = true
 version = "0.2.2"
 
+[dependencies.serde]
+version = "1.0.87"
+features = ["derive"]
+
 [dev-dependencies]
 ruma-events = "0.11.0"
 tokio = "0.1"
diff --git a/src/lib.rs b/src/lib.rs
index 5be158c2..84ade332 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -114,7 +114,11 @@ where
             },
         )
         .map(move |response| {
-            let session = Session::new(response.access_token, response.user_id, response.device_id);
+            let session = Session {
+                access_token: response.access_token,
+                device_id: response.device_id,
+                user_id: response.user_id,
+            };
             *data.session.lock().unwrap() = Some(session.clone());
 
             session
@@ -142,7 +146,11 @@ where
             },
         )
         .map(move |response| {
-            let session = Session::new(response.access_token, response.user_id, response.device_id);
+            let session = Session {
+                access_token: response.access_token,
+                device_id: response.device_id,
+                user_id: response.user_id,
+            };
             *data.session.lock().unwrap() = Some(session.clone());
 
             session
@@ -179,7 +187,11 @@ where
             },
         )
         .map(move |response| {
-            let session = Session::new(response.access_token, response.user_id, response.device_id);
+            let session = Session {
+                access_token: response.access_token,
+                device_id: response.device_id,
+                user_id: response.user_id,
+            };
             *data.session.lock().unwrap() = Some(session.clone());
 
             session
@@ -252,7 +264,7 @@ where
                     if E::METADATA.requires_authentication {
                         if let Some(ref session) = *data1.session.lock().unwrap() {
                             url.query_pairs_mut()
-                                .append_pair("access_token", session.access_token());
+                                .append_pair("access_token", &session.access_token);
                         } else {
                             return Err(Error::AuthenticationRequired);
                         }
diff --git a/src/session.rs b/src/session.rs
index 07314d26..b22809df 100644
--- a/src/session.rs
+++ b/src/session.rs
@@ -1,18 +1,19 @@
 use ruma_identifiers::UserId;
 
 /// A user session, containing an access token and information about the associated user account.
-#[derive(Clone, Debug, Eq, Hash, PartialEq)]
+#[derive(Clone, Debug, serde::Deserialize, Eq, Hash, PartialEq, serde::Serialize)]
 pub struct Session {
     /// The access token used for this session.
-    access_token: String,
+    pub access_token: String,
     /// The user the access token was issued for.
-    user_id: UserId,
+    pub user_id: UserId,
     /// The ID of the client device
-    device_id: String,
+    pub device_id: String,
 }
 
 impl Session {
     /// Create a new user session from an access token and a user ID.
+    #[deprecated]
     pub fn new(access_token: String, user_id: UserId, device_id: String) -> Self {
         Session {
             access_token,
@@ -22,16 +23,19 @@ impl Session {
     }
 
     /// Get the access token associated with this session.
+    #[deprecated]
     pub fn access_token(&self) -> &str {
         &self.access_token
     }
 
     /// Get the ID of the user the session belongs to.
+    #[deprecated]
     pub fn user_id(&self) -> &UserId {
         &self.user_id
     }
 
     /// Get ID of the device the session belongs to.
+    #[deprecated]
     pub fn device_id(&self) -> &str {
         &self.device_id
     }