diff --git a/rust/serial_reader/src/main.rs b/rust/serial_reader/src/main.rs
index 8d571e3..4ad423f 100644
--- a/rust/serial_reader/src/main.rs
+++ b/rust/serial_reader/src/main.rs
@@ -11,7 +11,7 @@ use gtk::{Application, ApplicationWindow};
 
 use gtk::{Button, Entry, Orientation, ScrolledWindow};
 
-use glib;
+use glib::{self, source::Priority, ControlFlow};
 
 mod port;
 use port::*;
@@ -54,7 +54,7 @@ fn main() {
         master_box.pack_end(&scrolled_window, true, true, 3);
         master_box.pack_end(&top_bar_box, false, true, 3);
 
-        let (tx, rx) = glib::MainContext::channel(glib::PRIORITY_DEFAULT);
+        let (tx, rx) = glib::MainContext::channel(Priority::DEFAULT);
 
         std::thread::spawn(move || {
             // loop forever
@@ -147,7 +147,7 @@ fn main() {
                 serial_info.scroll_to_iter(&mut buffer.end_iter(), 0.0, true, 0.0, 0.0);
             }
 
-            glib::Continue(true)
+            ControlFlow::Continue
         });
 
         window.add(&master_box);