diff --git a/app/graphql/resolvers/create_user.rb b/app/graphql/resolvers/create_user.rb
index 299c299..1270fe7 100644
--- a/app/graphql/resolvers/create_user.rb
+++ b/app/graphql/resolvers/create_user.rb
@@ -5,7 +5,7 @@ class Resolvers::CreateUser < Resolvers::MutationFunction
   argument :email, !types.String
   argument :password, !types.String
   argument :password_confirmation, !types.String
-  argument :role, !types.String
+  argument :role, !types[types.String]
   argument :profile_picture_b64, as: :attachment do
       type types.String
       description 'The base64 encoded version of the profile picture.'
@@ -34,9 +34,11 @@ def call(_obj, args, ctx)
       created_at: Time.now,
       profile_picture: args["attachment"] || nil,
     )
-    role = Role.find_by(title: args["role"])
-    if args["role"] and role != nil and !@new_user.roles.include?(role)
-      @new_user.roles << role
+    args["role"].each do |role|
+      @role = Role.find_by(title: role)
+      if @role and role != nil and !@new_user.roles.include?(@role)
+        @new_user.roles << @role
+      end
     end
     Authentication::generate_new_header(ctx) if @new_user.save!
     return @new_user
diff --git a/app/graphql/resolvers/update_user.rb b/app/graphql/resolvers/update_user.rb
index e2de371..5afabc4 100644
--- a/app/graphql/resolvers/update_user.rb
+++ b/app/graphql/resolvers/update_user.rb
@@ -4,7 +4,7 @@ class Resolvers::UpdateUser < Resolvers::MutationFunction
   argument :first_name, types.String
   argument :last_name, types.String
   argument :email, types.String
-  argument :role, types.String
+  argument :role, !types[types.String]
   argument :profile_picture_b64, as: :attachment do
       type types.String
       description 'The base64 encoded bersion of the attatchment to upload.'
@@ -35,9 +35,12 @@ def call(_obj, args, ctx)
         save = "" if save =~ /\d/ else save
         @user.slug = args["first_name"].downcase + "-" + args["last_name"].downcase + save
       end
-      role = Role.find_by(title: args["role"])
-      if args["role"] and role != nil and !@user.roles.include?(role)
-        @user.roles << role
+      @user.roles.clear
+      args["role"].each do |role|
+        @role = Role.find_by(title: role)
+        if @role and role != nil
+          @user.roles << @role
+        end
       end
       Authentication::generate_new_header(ctx) if @user.save!
     end