diff --git a/druid-shell/Cargo.toml b/druid-shell/Cargo.toml
index 8b510e3f9c..5bcdaa9e55 100755
--- a/druid-shell/Cargo.toml
+++ b/druid-shell/Cargo.toml
@@ -63,8 +63,8 @@ serde = ["kurbo/serde"]
 [dependencies]
 # NOTE: When changing the piet or kurbo versions, ensure that
 #       the kurbo version included in piet is compatible with the kurbo version specified here.
-piet-common = "=0.5.0"
-kurbo = "0.8.2"
+piet-common = "=0.6.0"
+kurbo = "0.9"
 
 tracing = "0.1.22"
 once_cell = "1.14.0"
@@ -100,14 +100,14 @@ bitflags = "1.2.1"
 [target.'cfg(any(target_os = "freebsd", target_os="linux", target_os="openbsd"))'.dependencies]
 ashpd = { version = "0.3.0", optional = true }
 # TODO(x11/dependencies): only use feature "xcb" if using X11
-cairo-rs = { version = "0.14.0", default_features = false, features = ["xcb"] }
-cairo-sys-rs = { version = "0.14.0", default_features = false, optional = true }
+cairo-rs = { version = "0.16.3", default_features = false, features = ["xcb"] }
+cairo-sys-rs = { version = "0.16.3", default_features = false, optional = true }
 futures = { version = "0.3.21", optional = true, features = ["executor"]}
-gdk-sys = { version = "0.14.0", optional = true }
+gdk-sys = { version = "0.16.0", optional = true }
 # `gtk` gets renamed to `gtk-rs` so that we can use `gtk` as the feature name.
-gtk-rs = { version = "0.14.0", features = ["v3_22"], package = "gtk", optional = true }
-glib-sys = { version = "0.14.0", optional = true }
-gtk-sys = { version = "0.14.0", optional = true }
+gtk-rs = { version = "0.16.1", package = "gtk", optional = true }
+glib-sys = { version = "0.16.3", optional = true }
+gtk-sys = { version = "0.16.0", optional = true }
 nix = { version = "0.24.0", optional = true }
 x11rb = { version = "0.10", features = ["allow-unsafe-code", "present", "render", "randr", "xfixes", "xkb", "resource_manager", "cursor"], optional = true }
 wayland-client = { version = "0.29", optional = true }
@@ -127,7 +127,7 @@ version = "0.3.44"
 features = ["Window", "MouseEvent", "CssStyleDeclaration", "WheelEvent", "KeyEvent", "KeyboardEvent", "Navigator"]
 
 [dev-dependencies]
-piet-common = { version = "=0.5.0", features = ["png"] }
+piet-common = { version = "=0.6.0", features = ["png"] }
 static_assertions = "1.1.0"
 test-log = { version = "0.2.5", features = ["trace"], default-features = false }
 tracing-subscriber = { version = "0.3.2", features = ["env-filter"] }
diff --git a/druid-shell/src/backend/gtk/clipboard.rs b/druid-shell/src/backend/gtk/clipboard.rs
index d6dce15821..04422b0eb2 100644
--- a/druid-shell/src/backend/gtk/clipboard.rs
+++ b/druid-shell/src/backend/gtk/clipboard.rs
@@ -147,8 +147,7 @@ impl Clipboard {
         let targets = clipboard.wait_for_targets().unwrap_or_default();
         targets
             .iter()
-            // SAFETY: Atom::value() is 'self.0 as usize'. No idea why that is unsafe.
-            .map(|atom| format!("{} ({})", atom.name(), unsafe { atom.value() }))
+            .map(|atom| format!("{} ({})", atom.name(), atom.value()))
             .collect()
     }
 }
diff --git a/druid-shell/src/backend/gtk/dialog.rs b/druid-shell/src/backend/gtk/dialog.rs
index c1b4ca5155..26025a93e6 100644
--- a/druid-shell/src/backend/gtk/dialog.rs
+++ b/druid-shell/src/backend/gtk/dialog.rs
@@ -47,7 +47,7 @@ pub(crate) fn get_file_dialog_path(
     };
     let title = options.title.as_deref().unwrap_or(title);
 
-    let mut dialog = gtk::FileChooserNativeBuilder::new()
+    let mut dialog = gtk::FileChooserNative::builder()
         .transient_for(window)
         .title(title);
     if let Some(button_text) = &options.button_text {
diff --git a/druid-shell/src/backend/gtk/menu.rs b/druid-shell/src/backend/gtk/menu.rs
index 921f142399..15eb60f43f 100644
--- a/druid-shell/src/backend/gtk/menu.rs
+++ b/druid-shell/src/backend/gtk/menu.rs
@@ -18,7 +18,7 @@ use gtk::gdk::ModifierType;
 use gtk::{
     AccelGroup, CheckMenuItem, Menu as GtkMenu, MenuBar as GtkMenuBar, MenuItem as GtkMenuItem,
 };
-use gtk_rs::SeparatorMenuItemBuilder;
+use gtk_rs::SeparatorMenuItem;
 
 use gtk::prelude::{GtkMenuExt, GtkMenuItemExt, MenuShellExt, WidgetExt};
 
@@ -114,7 +114,7 @@ impl Menu {
 
                     menu.append(&item);
                 }
-                MenuItem::Separator => menu.append(&SeparatorMenuItemBuilder::new().build()),
+                MenuItem::Separator => menu.append(&SeparatorMenuItem::new()),
             }
         }
     }
diff --git a/druid-shell/src/backend/gtk/screen.rs b/druid-shell/src/backend/gtk/screen.rs
index 1e7963efd3..f839ea1ee8 100644
--- a/druid-shell/src/backend/gtk/screen.rs
+++ b/druid-shell/src/backend/gtk/screen.rs
@@ -20,8 +20,8 @@ use kurbo::{Point, Rect, Size};
 
 fn translate_gdk_rectangle(r: Rectangle) -> Rect {
     Rect::from_origin_size(
-        Point::new(r.x as f64, r.y as f64),
-        Size::new(r.width as f64, r.height as f64),
+        Point::new(r.x() as f64, r.y() as f64),
+        Size::new(r.width() as f64, r.height() as f64),
     )
 }
 
@@ -30,9 +30,7 @@ fn translate_gdk_monitor(mon: gtk::gdk::Monitor) -> Monitor {
     Monitor::new(
         mon.is_primary(),
         area,
-        mon.get_property_workarea()
-            .map(translate_gdk_rectangle)
-            .unwrap_or(area),
+        translate_gdk_rectangle(mon.workarea()),
     )
 }
 
diff --git a/druid-shell/src/backend/gtk/window.rs b/druid-shell/src/backend/gtk/window.rs
index 1622c44328..2154553ebb 100644
--- a/druid-shell/src/backend/gtk/window.rs
+++ b/druid-shell/src/backend/gtk/window.rs
@@ -293,7 +293,7 @@ impl WindowBuilder {
         window.set_decorated(self.show_titlebar);
         let mut transparent = false;
         if self.transparent {
-            if let Some(screen) = window.screen() {
+            if let Some(screen) = gtk::prelude::GtkWindowExt::screen(&window) {
                 let visual = screen.rgba_visual();
                 transparent = visual.is_some();
                 window.set_visual(visual.as_ref());
@@ -475,13 +475,13 @@ impl WindowBuilder {
                 // Create a new cairo surface if necessary (either because there is no surface, or
                 // because the size or scale changed).
                 let extents = widget.allocation();
-                let size_px = Size::new(extents.width as f64, extents.height as f64);
+                let size_px = Size::new(extents.width() as f64, extents.height() as f64);
                 let no_surface = state.surface.try_borrow().map(|x| x.is_none()).ok() == Some(true);
                 if no_surface || scale_changed || state.area.get().size_px() != size_px {
                     let area = ScaledArea::from_px(size_px, scale);
                     let size_dp = area.size_dp();
                     state.area.set(area);
-                    if let Err(e) = state.resize_surface(extents.width, extents.height) {
+                    if let Err(e) = state.resize_surface(extents.width(), extents.height()) {
                         error!("Failed to resize surface: {}", e);
                     }
                     state.with_handler(|h| h.size(size_dp));
@@ -526,7 +526,7 @@ impl WindowBuilder {
                        // TODO: how are we supposed to handle these errors? What can we do besides panic? Probably nothing right?
                         let alloc = widget.allocation();
                         context.set_source_surface(surface, 0.0, 0.0).unwrap();
-                        context.rectangle(0.0, 0.0, alloc.width as f64, alloc.height as f64);
+                        context.rectangle(0.0, 0.0, alloc.width() as f64, alloc.height() as f64);
                         context.fill().unwrap();
                     });
                 } else {
@@ -1025,24 +1025,24 @@ impl WindowHandle {
             let scale = state.scale.get();
             let (width_px, height_px) = state.window.size();
             let alloc_px = state.drawing_area.allocation();
-            let menu_height_px = height_px - alloc_px.height;
+            let menu_height_px = height_px - alloc_px.height();
 
             if let Some(window) = state.window.window() {
                 let frame = window.frame_extents();
                 let (pos_x, pos_y) = window.position();
                 Insets::new(
-                    (pos_x - frame.x) as f64,
-                    (pos_y - frame.y + menu_height_px) as f64,
-                    (frame.x + frame.width - (pos_x + width_px)) as f64,
-                    (frame.y + frame.height - (pos_y + height_px)) as f64,
+                    (pos_x - frame.x()) as f64,
+                    (pos_y - frame.y() + menu_height_px) as f64,
+                    (frame.x() + frame.width() - (pos_x + width_px)) as f64,
+                    (frame.y() + frame.height() - (pos_y + height_px)) as f64,
                 )
                 .to_dp(scale)
                 .nonnegative()
             } else {
                 let window = Size::new(width_px as f64, height_px as f64).to_dp(scale);
                 let alloc = Rect::from_origin_size(
-                    (alloc_px.x as f64, alloc_px.y as f64),
-                    (alloc_px.width as f64, alloc_px.height as f64),
+                    (alloc_px.x() as f64, alloc_px.y() as f64),
+                    (alloc_px.width() as f64, alloc_px.height() as f64),
                 )
                 .to_dp(scale);
                 window.to_rect() - alloc
diff --git a/druid-shell/src/backend/mac/window.rs b/druid-shell/src/backend/mac/window.rs
index 8ceb135a4b..d39f1bb935 100644
--- a/druid-shell/src/backend/mac/window.rs
+++ b/druid-shell/src/backend/mac/window.rs
@@ -631,7 +631,7 @@ fn mouse_event(
     unsafe {
         let point = nsevent.locationInWindow();
         let view_point = view.convertPoint_fromView_(point, nil);
-        let pos = Point::new(view_point.x as f64, view_point.y as f64);
+        let pos = Point::new(view_point.x, view_point.y);
         let buttons = get_mouse_buttons(NSEvent::pressedMouseButtons(nsevent));
         let modifiers = make_modifiers(nsevent.modifierFlags());
         MouseEvent {
@@ -776,8 +776,8 @@ extern "C" fn scroll_wheel(this: &mut Object, _: Sel, nsevent: id) {
         let view_state: *mut c_void = *this.get_ivar("viewState");
         let view_state = &mut *(view_state as *mut ViewState);
         let (dx, dy) = {
-            let dx = -nsevent.scrollingDeltaX() as f64;
-            let dy = -nsevent.scrollingDeltaY() as f64;
+            let dx = -nsevent.scrollingDeltaX();
+            let dy = -nsevent.scrollingDeltaY();
             if nsevent.hasPreciseScrollingDeltas() == cocoa::base::YES {
                 (dx, dy)
             } else {
@@ -803,7 +803,7 @@ extern "C" fn pinch_event(this: &mut Object, _: Sel, nsevent: id) {
         let view_state = &mut *(view_state as *mut ViewState);
 
         let delta: CGFloat = msg_send![nsevent, magnification];
-        view_state.handler.zoom(delta as f64);
+        view_state.handler.zoom(delta);
     }
 }
 
diff --git a/druid-shell/src/backend/x11/window.rs b/druid-shell/src/backend/x11/window.rs
index 941ae6b86f..e88709dc30 100644
--- a/druid-shell/src/backend/x11/window.rs
+++ b/druid-shell/src/backend/x11/window.rs
@@ -783,7 +783,7 @@ impl Window {
         let invalid = std::mem::replace(&mut *borrow_mut!(self.invalid)?, Region::EMPTY);
         {
             let surface = borrow!(self.cairo_surface)?;
-            let cairo_ctx = cairo::Context::new(&surface).unwrap();
+            let cairo_ctx = cairo::Context::new(&*surface).unwrap();
             let scale = self.scale.get();
             for rect in invalid.rects() {
                 let rect = rect.to_px(scale).round();
diff --git a/druid/Cargo.toml b/druid/Cargo.toml
index 110c237fcc..c2773f5555 100644
--- a/druid/Cargo.toml
+++ b/druid/Cargo.toml
@@ -82,7 +82,7 @@ console_error_panic_hook = { version = "0.1.6" }
 float-cmp = { version = "0.8.0", features = ["std"], default-features = false }
 # tempfile 3.2.0 broke wasm; I assume it will be yanked (Jan 12, 2021)
 tempfile = "=3.1.0"
-piet-common = { version = "=0.5.0", features = ["png"] }
+piet-common = { version = "=0.6.0", features = ["png"] }
 pulldown-cmark = { version = "0.8", default-features = false }
 test-log = { version = "0.2.5", features = ["trace"], default-features = false }
 # test-env-log needs it
diff --git a/druid/examples/async_event.rs b/druid/examples/async_event.rs
index 1b6cc453c8..a33939cd5f 100644
--- a/druid/examples/async_event.rs
+++ b/druid/examples/async_event.rs
@@ -70,10 +70,9 @@ fn generate_colors(event_sink: druid::ExtEventSink) {
             (_, _) => Color::rgb8(r, g, b.wrapping_add(3)),
         };
 
-        let color_clone = color.clone();
         // schedule idle callback to change the data
         event_sink.add_idle_callback(move |data: &mut Color| {
-            *data = color_clone;
+            *data = color;
         });
         thread::sleep(Duration::from_millis(20));
     }
diff --git a/druid/examples/scroll.rs b/druid/examples/scroll.rs
index 9d9e0fff26..0d6a5d59bd 100644
--- a/druid/examples/scroll.rs
+++ b/druid/examples/scroll.rs
@@ -63,7 +63,7 @@ impl<T: Data> Widget<T> for OverPainter {
         let color = env.get_debug_color(self.0);
         let radius = (rect + INSETS).size().height / 2.0;
         let circle = Circle::new(rect.center(), radius);
-        let grad = RadialGradient::new(1.0, (color.clone(), color.clone().with_alpha(0.0)));
+        let grad = RadialGradient::new(1.0, (color, color.with_alpha(0.0)));
         ctx.fill(circle, &grad);
         ctx.stroke(rect, &color, 2.0);
     }
diff --git a/druid/src/env.rs b/druid/src/env.rs
index 70a15e9718..b830a08844 100644
--- a/druid/src/env.rs
+++ b/druid/src/env.rs
@@ -370,7 +370,7 @@ impl Env {
     #[doc(hidden)]
     pub fn get_debug_color(&self, id: u64) -> Color {
         let color_num = id as usize % DEBUG_COLOR.len();
-        DEBUG_COLOR[color_num].clone()
+        DEBUG_COLOR[color_num]
     }
 }
 
diff --git a/druid/src/widget/slider.rs b/druid/src/widget/slider.rs
index 7299144983..7e2e0da540 100644
--- a/druid/src/widget/slider.rs
+++ b/druid/src/widget/slider.rs
@@ -469,7 +469,7 @@ impl<T, W: Widget<T>> Annotated<T, W> {
         while walk < self.mapping.max + f64::EPSILON * 10.0 {
             let layout = text
                 .new_text_layout(format!("{}", walk))
-                .text_color(text_color.clone())
+                .text_color(text_color)
                 .build()
                 .unwrap();
 
diff --git a/druid/src/widget/spinner.rs b/druid/src/widget/spinner.rs
index 82e4945cfe..cdadbe296e 100644
--- a/druid/src/widget/spinner.rs
+++ b/druid/src/widget/spinner.rs
@@ -127,7 +127,7 @@ impl<T: Data> Widget<T> for Spinner {
         let t = self.t;
         let (width, height) = (ctx.size().width, ctx.size().height);
         let center = Point::new(width / 2.0, height / 2.0);
-        let (r, g, b, original_alpha) = Color::as_rgba(&self.color.resolve(env));
+        let (r, g, b, original_alpha) = Color::as_rgba(self.color.resolve(env));
         let scale_factor = width.min(height) / 40.0;
 
         for step in 1..=12 {