diff --git a/Cargo.toml b/Cargo.toml
index 5cd84e43..37b89038 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,12 +19,12 @@ version = "0.4.0-beta.1"
 futures-core = "0.3.4"
 futures-util = "0.3.4"
 http = "0.2.1"
-hyper = "0.13.4"
+hyper = "0.13.5"
 hyper-tls = { version = "0.4.1", optional = true }
-ruma-api = "0.15.0"
-ruma-client-api = "0.7.2"
-ruma-events = "0.18.0"
-ruma-identifiers = "0.14.1"
+ruma-api = "0.16.0-rc.1"
+ruma-client-api = "0.8.0-rc.1"
+ruma-events = "0.19.0-rc.1"
+ruma-identifiers = "0.15.1"
 serde = { version = "1.0.106", features = ["derive"] }
 serde_json = "1.0.51"
 serde_urlencoded = "0.6.1"
diff --git a/src/lib.rs b/src/lib.rs
index fb563c6d..dca34a4f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -257,8 +257,8 @@ where
         let response = self
             .request(register::Request {
                 auth: None,
-                bind_email: None,
                 device_id: None,
+                inhibit_login: false,
                 initial_device_display_name: None,
                 kind: Some(register::RegistrationKind::Guest),
                 password: None,
@@ -267,9 +267,12 @@ where
             .await?;
 
         let session = Session {
-            access_token: response.access_token,
+            // since we supply inhibit_login: false above, the access token needs to be there
+            // TODO: maybe unwrap is not the best solution though
+            access_token: response.access_token.unwrap(),
             identification: Some(Identification {
-                device_id: response.device_id,
+                // same as access_token
+                device_id: response.device_id.unwrap(),
                 user_id: response.user_id,
             }),
         };
@@ -296,8 +299,8 @@ where
         let response = self
             .request(register::Request {
                 auth: None,
-                bind_email: None,
                 device_id: None,
+                inhibit_login: false,
                 initial_device_display_name: None,
                 kind: Some(register::RegistrationKind::User),
                 password: Some(password),
@@ -306,9 +309,12 @@ where
             .await?;
 
         let session = Session {
-            access_token: response.access_token,
+            // since we supply inhibit_login: false above, the access token needs to be there
+            // TODO: maybe unwrap is not the best solution though
+            access_token: response.access_token.unwrap(),
             identification: Some(Identification {
-                device_id: response.device_id,
+                // same as access_token
+                device_id: response.device_id.unwrap(),
                 user_id: response.user_id,
             }),
         };