diff --git a/README.md b/README.md
index 94a6d86e..c92b4643 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ Read books in style.
 ### Run Time Dependencies
 
 - `gjs` (>= 1.72)
-- `gtk4`
+- `gtk4` (>= 4.10)
 - `libadwaita` (`gir1.2-adw-1` in Debian-based distros)
 - `webkitgtk-6.0` (`gir1.2-webkit-6.0` in Debian-based distros)
 
diff --git a/src/annotations.js b/src/annotations.js
index 2fff2a6b..6c563c0f 100644
--- a/src/annotations.js
+++ b/src/annotations.js
@@ -400,18 +400,16 @@ GObject.registerClass({
             const selected = this.selected
             const item = this.selected_item
             if (item.type === 'choose') {
-                const chooser = new Gtk.ColorChooserDialog({
-                    modal: true,
-                    transient_for: this.root,
-                })
-                chooser.show()
-                chooser.connect('response', (_, res) => {
-                    if (res === Gtk.ResponseType.OK) {
-                        const color = chooser.get_rgba().to_string()
+                new Gtk.ColorDialog().choose_rgba(this.root, null, null, (self, res) => {
+                    try {
+                        const color = self.choose_rgba_finish(res).to_string()
                         this.selectColor(color)
                         this.emit('color-changed', color)
-                    } else this.selected = this.#prevSelected
-                    chooser.close()
+                    } catch (e) {
+                        if (e instanceof Gtk.DialogError) console.debug(e)
+                        else console.error(e)
+                        this.selected = this.#prevSelected
+                    }
                 })
             } else {
                 this.emit('color-changed', item.value)
@@ -521,23 +519,21 @@ export const exportAnnotations = (window, data) => {
     builder.get_object('ok-button').connect('clicked', () => {
         const { selected } = builder.get_object('format-combo')
         const format = ['json', 'html', 'md'][selected]
-        const chooser = new Gtk.FileChooserNative({
-            title: _('Save File'),
-            action: Gtk.FileChooserAction.SAVE,
-            transient_for: window,
-            modal: true,
-        })
         const { metadata = {} } = data
         const title = vprintf(_('Annotations for “%s”'), [metadata.title])
         const total = vprintf(ngettext('%d Annotation', '%d Annotations', n), [n])
-        chooser.set_current_name(title + '.' + format)
-        chooser.show()
-        chooser.connect('response', (_, res) => {
-            if (res !== Gtk.ResponseType.ACCEPT) return
-            const contents = exportFunctions[format](data, title, total)
-            chooser.get_file().replace_contents(contents, null, false,
-                Gio.FileCreateFlags.REPLACE_DESTINATION, null)
-        })
+        new Gtk.FileDialog({ initial_name: title + '.' + format })
+            .save(window, null, (self, res) => {
+                try {
+                    const file = self.save_finish(res)
+                    const contents = exportFunctions[format](data, title, total)
+                    file.replace_contents(contents, null, false,
+                        Gio.FileCreateFlags.REPLACE_DESTINATION, null)
+                } catch (e) {
+                    if (e instanceof Gtk.DialogError) console.debug(e)
+                    else console.error(e)
+                }
+            })
         dialog.close()
     })
     builder.get_object('cancel-button').connect('clicked', () => dialog.close())
diff --git a/src/app.js b/src/app.js
index 507d7447..f54dcd15 100644
--- a/src/app.js
+++ b/src/app.js
@@ -91,36 +91,34 @@ const ApplicationWindow = GObject.registerClass({
         this.#bookViewer.open(file)
     }
     open() {
-        const chooser = new Gtk.FileChooserNative({
-            title: _('Open File'),
-            action: Gtk.FileChooserAction.OPEN,
-            transient_for: this,
-            modal: true,
+        const dialog = new Gtk.FileDialog()
+        const ebooks = new Gtk.FileFilter({
+            name: _('E-Book Files'),
+            mime_types: [
+                'application/epub+zip',
+                'application/x-mobipocket-ebook',
+                'application/vnd.amazon.mobi8-ebook',
+                'application/x-mobi8-ebook',
+                'application/x-fictionbook+xml',
+                'application/x-zip-compressed-fb2',
+                'application/vnd.comicbook+zip',
+            ],
         })
-
-        const all = new Gtk.FileFilter()
-        all.set_name(_('All Files'))
-        all.add_pattern('*')
-
-        const ebook = new Gtk.FileFilter()
-        ebook.set_name(_('E-book Files'))
-        for (const type of [
-            'application/epub+zip',
-            'application/x-mobipocket-ebook',
-            'application/vnd.amazon.mobi8-ebook',
-            'application/x-mobi8-ebook',
-            'application/x-fictionbook+xml',
-            'application/x-zip-compressed-fb2',
-            'application/vnd.comicbook+zip',
-        ]) ebook.add_mime_type(type)
-
-        chooser.add_filter(all)
-        chooser.add_filter(ebook)
-        chooser.set_filter(ebook)
-
-        chooser.show()
-        chooser.connect('response', (_, res) => {
-            if (res === Gtk.ResponseType.ACCEPT) this.openFile(chooser.get_file())
+        dialog.filters = new Gio.ListStore()
+        dialog.filters.append(new Gtk.FileFilter({
+            name: _('All Files'),
+            patterns: ['*'],
+        }))
+        dialog.filters.append(ebooks)
+        dialog.default_filter = ebooks
+        dialog.open(this, null, (_, res) => {
+            try {
+                const file = dialog.open_finish(res)
+                this.openFile(file)
+            } catch (e) {
+                if (e instanceof Gtk.DialogError) console.debug(e)
+                else console.error(e)
+            }
         })
     }
     showLibrary() {
diff --git a/src/book-viewer.js b/src/book-viewer.js
index 78d32d8a..e69f048d 100644
--- a/src/book-viewer.js
+++ b/src/book-viewer.js
@@ -814,20 +814,18 @@ export const BookViewer = GObject.registerClass({
                     new Adw.Toast({ title: _('Copied to clipboard') }))
             },
             'save-as': () => {
-                const chooser = new Gtk.FileChooserNative({
-                    title: _('Save File'),
-                    action: Gtk.FileChooserAction.SAVE,
-                    transient_for: win,
-                    modal: true,
-                })
                 const ext = /\/([^+]*)/.exec(mimetype)?.[1]
-                chooser.set_current_name(win.title + (ext ? `.${ext}` : ''))
-                chooser.connect('response', (_, res) => {
-                    if (res === Gtk.ResponseType.ACCEPT) chooser.get_file()
-                        .replace_contents(bytes, null, false,
-                            Gio.FileCreateFlags.REPLACE_DESTINATION, null)
-                })
-                chooser.show()
+                new Gtk.FileDialog({ initial_name: win.title + (ext ? `.${ext}` : '') })
+                    .save(win, null, (self, res) => {
+                        try {
+                            const file = self.save_finish(res)
+                            file.replace_contents(bytes, null, false,
+                                Gio.FileCreateFlags.REPLACE_DESTINATION, null)
+                        } catch (e) {
+                            if (e instanceof Gtk.DialogError) console.debug(e)
+                            else console.error(e)
+                        }
+                    })
             },
         })
         win.add_controller(utils.addShortcuts({ '<ctrl>w': () => win.close() }))