diff --git a/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatProgressBarUI.java b/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatProgressBarUI.java
index dddc87b7..d3129f8b 100644
--- a/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatProgressBarUI.java
+++ b/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatProgressBarUI.java
@@ -25,12 +25,14 @@ import java.awt.Insets;
 import java.awt.geom.Area;
 import java.awt.geom.RoundRectangle2D;
 import java.beans.PropertyChangeListener;
+import java.util.Map;
 import javax.swing.JComponent;
 import javax.swing.JProgressBar;
 import javax.swing.LookAndFeel;
 import javax.swing.UIManager;
 import javax.swing.plaf.ComponentUI;
 import javax.swing.plaf.basic.BasicProgressBarUI;
+import com.formdev.flatlaf.ui.FlatStyleSupport.Styleable;
 import com.formdev.flatlaf.util.HiDPIUtils;
 import com.formdev.flatlaf.util.UIScale;
 
@@ -59,16 +61,24 @@ import com.formdev.flatlaf.util.UIScale;
 public class FlatProgressBarUI
 	extends BasicProgressBarUI
 {
-	protected int arc;
-	protected Dimension horizontalSize;
-	protected Dimension verticalSize;
+	@Styleable protected int arc;
+	@Styleable protected Dimension horizontalSize;
+	@Styleable protected Dimension verticalSize;
 
 	private PropertyChangeListener propertyChangeListener;
+	private Map<String, Object> oldStyleValues;
 
 	public static ComponentUI createUI( JComponent c ) {
 		return new FlatProgressBarUI();
 	}
 
+	@Override
+	public void installUI( JComponent c ) {
+		super.installUI( c );
+
+		applyStyle( FlatStyleSupport.getStyle( progressBar ) );
+	}
+
 	@Override
 	protected void installDefaults() {
 		super.installDefaults();
@@ -91,6 +101,12 @@ public class FlatProgressBarUI
 					progressBar.revalidate();
 					progressBar.repaint();
 					break;
+
+				case COMPONENT_STYLE:
+					applyStyle( e.getNewValue() );
+					progressBar.revalidate();
+					progressBar.repaint();
+					break;
 			}
 		};
 		progressBar.addPropertyChangeListener( propertyChangeListener );
@@ -104,6 +120,20 @@ public class FlatProgressBarUI
 		propertyChangeListener = null;
 	}
 
+	/**
+	 * @since TODO
+	 */
+	protected void applyStyle( Object style ) {
+		oldStyleValues = FlatStyleSupport.parseAndApply( oldStyleValues, style, this::applyStyleProperty );
+	}
+
+	/**
+	 * @since TODO
+	 */
+	protected Object applyStyleProperty( String key, Object value ) {
+		return FlatStyleSupport.applyToAnnotatedObject( this, key, value );
+	}
+
 	@Override
 	public Dimension getPreferredSize( JComponent c ) {
 		Dimension size = super.getPreferredSize( c );
diff --git a/flatlaf-core/src/test/java/com/formdev/flatlaf/ui/FlatStylingTests.java b/flatlaf-core/src/test/java/com/formdev/flatlaf/ui/FlatStylingTests.java
index 52f7889b..4ca2ee6c 100644
--- a/flatlaf-core/src/test/java/com/formdev/flatlaf/ui/FlatStylingTests.java
+++ b/flatlaf-core/src/test/java/com/formdev/flatlaf/ui/FlatStylingTests.java
@@ -74,6 +74,15 @@ public class FlatStylingTests
 		radioButton( ui );
 	}
 
+	@Test
+	void progressBar() {
+		FlatProgressBarUI ui = new FlatProgressBarUI();
+
+		ui.applyStyle( "arc: 5" );
+		ui.applyStyle( "horizontalSize: 100,12" );
+		ui.applyStyle( "verticalSize: 12,100" );
+	}
+
 	@Test
 	void radioButton() {
 		FlatRadioButtonUI ui = new FlatRadioButtonUI( false );