diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index c75a353..6c62a7e 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -2,7 +2,7 @@
 kotlin = "2.0.20"
 detekt = "1.23.7"
 jfx-plugin = "0.1.0"
-javafx = "22.0.1"
+javafx = "23"
 
 kotest = "5.9.1"
 
diff --git a/src/main/kotlin/com/marvinelsen/willow/tatoeba/TatoebaSentence.kt b/src/main/kotlin/com/marvinelsen/willow/tatoeba/TatoebaSentence.kt
new file mode 100644
index 0000000..a11e7eb
--- /dev/null
+++ b/src/main/kotlin/com/marvinelsen/willow/tatoeba/TatoebaSentence.kt
@@ -0,0 +1,3 @@
+package com.marvinelsen.willow.tatoeba
+
+data class TatoebaSentence(val traditional: String)
diff --git a/src/main/resources/fxml/details.fxml b/src/main/resources/fxml/details.fxml
index 3628678..a641ffb 100644
--- a/src/main/resources/fxml/details.fxml
+++ b/src/main/resources/fxml/details.fxml
@@ -5,7 +5,7 @@
 <?import javafx.scene.layout.VBox?>
 <?import javafx.scene.web.WebView?>
 <?import javafx.geometry.Insets?>
-<VBox xmlns="http://javafx.com/javafx/22" xmlns:fx="http://javafx.com/fxml/1"
+<VBox xmlns="http://javafx.com/javafx/23" xmlns:fx="http://javafx.com/fxml/1"
       fx:controller="com.marvinelsen.willow.ui.controllers.DetailsController"
       stylesheets="/css/details.css">
     <Label fx:id="labelHeadword" styleClass="headword" text="Label">
diff --git a/src/main/resources/fxml/main.fxml b/src/main/resources/fxml/main.fxml
index ab1805a..36c3edb 100644
--- a/src/main/resources/fxml/main.fxml
+++ b/src/main/resources/fxml/main.fxml
@@ -7,7 +7,7 @@
 <?import javafx.scene.control.ProgressIndicator?>
 <?import javafx.scene.control.SplitPane?>
 <?import javafx.scene.layout.*?>
-<BorderPane xmlns="http://javafx.com/javafx/22" xmlns:fx="http://javafx.com/fxml/1"
+<BorderPane xmlns="http://javafx.com/javafx/23" xmlns:fx="http://javafx.com/fxml/1"
             fx:controller="com.marvinelsen.willow.ui.controllers.MainController"
             stylesheets="/css/main.css">
     <top>
diff --git a/src/main/resources/fxml/menu.fxml b/src/main/resources/fxml/menu.fxml
index 571340c..1bd327f 100644
--- a/src/main/resources/fxml/menu.fxml
+++ b/src/main/resources/fxml/menu.fxml
@@ -3,7 +3,7 @@
 <?import javafx.scene.control.*?>
 <?import javafx.scene.input.KeyCodeCombination?>
 <?import javafx.scene.layout.BorderPane?>
-<MenuBar xmlns="http://javafx.com/javafx/22" xmlns:fx="http://javafx.com/fxml/1"
+<MenuBar xmlns="http://javafx.com/javafx/23" xmlns:fx="http://javafx.com/fxml/1"
          fx:controller="com.marvinelsen.willow.ui.controllers.MenuController" BorderPane.alignment="CENTER"
          useSystemMenuBar="true">
     <Menu text="%menubar.file">
diff --git a/src/main/resources/fxml/search.fxml b/src/main/resources/fxml/search.fxml
index e755c79..e76a225 100644
--- a/src/main/resources/fxml/search.fxml
+++ b/src/main/resources/fxml/search.fxml
@@ -5,7 +5,7 @@
 <?import javafx.scene.layout.FlowPane?>
 <?import javafx.scene.layout.HBox?>
 <?import javafx.scene.layout.VBox?>
-<VBox xmlns="http://javafx.com/javafx/22" xmlns:fx="http://javafx.com/fxml/1"
+<VBox xmlns="http://javafx.com/javafx/23" xmlns:fx="http://javafx.com/fxml/1"
       fx:controller="com.marvinelsen.willow.ui.controllers.SearchController" spacing="8">
     <TextField fx:id="textFieldSearch" promptText="%search.prompt" HBox.hgrow="ALWAYS"/>
     <FlowPane hgap="8.0" vgap="8.0">