diff --git a/MattermostApi/Api.cs b/MattermostApi/Api.cs
index 1009f72..8690605 100644
--- a/MattermostApi/Api.cs
+++ b/MattermostApi/Api.cs
@@ -289,7 +289,7 @@ public async Task RefreshAsync() {
 			});
 			Log(result.ToString());
 			Token token = result.ToObject<Token>();
-			if (!string.IsNullOrEmpty(token.access_token))
+			if (string.IsNullOrEmpty(token.access_token))
 				throw new ApiException("No access token returned", result);
 			updateToken(token);
 		}
diff --git a/MattermostApi/Channel.cs b/MattermostApi/Channel.cs
index ff6c3bd..87f78d1 100644
--- a/MattermostApi/Channel.cs
+++ b/MattermostApi/Channel.cs
@@ -115,6 +115,13 @@ public async Task UpdateRoles(Api api, string user_id, string roles) {
 			});
 		}
 
+		public async Task UpdateRoles(Api api, string userId, bool scheme_admin, bool scheme_user = true) {
+			await api.PutAsync(Api.Combine("channels", id, "members", userId, "schemeRoles"), null, new {
+				scheme_admin,
+				scheme_user
+			});
+		}
+
 		public async Task UpdateNotifications(Api api, string user_id, ChannelNotifyProps notifications) {
 			await api.PutAsync(Api.Combine("channels", id, "members", user_id, "notify_props"), null, notifications);
 		}
diff --git a/MattermostApi/MattermostApi.csproj b/MattermostApi/MattermostApi.csproj
index 59aa9fe..4727fe4 100644
--- a/MattermostApi/MattermostApi.csproj
+++ b/MattermostApi/MattermostApi.csproj
@@ -12,8 +12,8 @@
     <PackageProjectUrl>https://github.com/nikkilocke/MattermostApi</PackageProjectUrl>
     <RepositoryUrl>https://github.com/nikkilocke/MattermostApi</RepositoryUrl>
     <RepositoryType>GitHub</RepositoryType>
-    <PackageReleaseNotes>Set CSRF cookie so login with username and password can PUT, DELETE and POST.</PackageReleaseNotes>
-    <Version>1.0.4</Version>
+    <PackageReleaseNotes>Added update scheme-derived roles</PackageReleaseNotes>
+    <Version>1.0.5</Version>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/MattermostApi/Team.cs b/MattermostApi/Team.cs
index 8b01b92..c6cea7a 100644
--- a/MattermostApi/Team.cs
+++ b/MattermostApi/Team.cs
@@ -97,5 +97,18 @@ public async Task<UserInTeam> AddUser(Api api, string user_id) {
 				user_id
 			});
 		}
+
+		public async Task UpdateRoles(Api api, string user_id, string roles) {
+			await api.PutAsync(Api.Combine("teams", id, "members", user_id, "roles"), null, new {
+				roles
+			});
+		}
+
+		public async Task UpdateRoles(Api api, string userId, bool scheme_admin, bool scheme_user = true) {
+			await api.PutAsync(Api.Combine("teams", id, "members", userId, "schemeRoles"), null, new {
+				scheme_admin,
+				scheme_user
+			});
+		}
 	}
 }