diff --git a/bundles/org.eclipse.swt/Eclipse SWT PI/gtk/library/gtk4.c b/bundles/org.eclipse.swt/Eclipse SWT PI/gtk/library/gtk4.c
index 4ee62a17eff..73fd53a0254 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT PI/gtk/library/gtk4.c	
+++ b/bundles/org.eclipse.swt/Eclipse SWT PI/gtk/library/gtk4.c	
@@ -2083,6 +2083,26 @@ JNIEXPORT jlong JNICALL GTK4_NATIVE(gtk_1widget_1get_1root)
 }
 #endif
 
+#ifndef NO_gtk_1widget_1insert_1after
+JNIEXPORT void JNICALL GTK4_NATIVE(gtk_1widget_1insert_1after)
+	(JNIEnv *env, jclass that, jlong arg0, jlong arg1, jlong arg2)
+{
+	GTK4_NATIVE_ENTER(env, that, gtk_1widget_1insert_1after_FUNC);
+	gtk_widget_insert_after((GtkWidget *)arg0, (GtkWidget *)arg1, (GtkWidget *)arg2);
+	GTK4_NATIVE_EXIT(env, that, gtk_1widget_1insert_1after_FUNC);
+}
+#endif
+
+#ifndef NO_gtk_1widget_1insert_1before
+JNIEXPORT void JNICALL GTK4_NATIVE(gtk_1widget_1insert_1before)
+	(JNIEnv *env, jclass that, jlong arg0, jlong arg1, jlong arg2)
+{
+	GTK4_NATIVE_ENTER(env, that, gtk_1widget_1insert_1before_FUNC);
+	gtk_widget_insert_before((GtkWidget *)arg0, (GtkWidget *)arg1, (GtkWidget *)arg2);
+	GTK4_NATIVE_EXIT(env, that, gtk_1widget_1insert_1before_FUNC);
+}
+#endif
+
 #ifndef NO_gtk_1widget_1measure
 JNIEXPORT void JNICALL GTK4_NATIVE(gtk_1widget_1measure)
 	(JNIEnv *env, jclass that, jlong arg0, jint arg1, jint arg2, jintArray arg3, jintArray arg4, jintArray arg5, jintArray arg6)
diff --git a/bundles/org.eclipse.swt/Eclipse SWT PI/gtk/library/gtk4_stats.h b/bundles/org.eclipse.swt/Eclipse SWT PI/gtk/library/gtk4_stats.h
index 328ec74e362..b3a97eb2827 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT PI/gtk/library/gtk4_stats.h	
+++ b/bundles/org.eclipse.swt/Eclipse SWT PI/gtk/library/gtk4_stats.h	
@@ -173,6 +173,8 @@ typedef enum {
 	gtk_1widget_1get_1prev_1sibling_FUNC,
 	gtk_1widget_1get_1receives_1default_FUNC,
 	gtk_1widget_1get_1root_FUNC,
+	gtk_1widget_1insert_1after_FUNC,
+	gtk_1widget_1insert_1before_FUNC,
 	gtk_1widget_1measure_FUNC,
 	gtk_1widget_1set_1cursor_FUNC,
 	gtk_1widget_1set_1focusable_FUNC,
diff --git a/bundles/org.eclipse.swt/Eclipse SWT PI/gtk/org/eclipse/swt/internal/gtk4/GTK4.java b/bundles/org.eclipse.swt/Eclipse SWT PI/gtk/org/eclipse/swt/internal/gtk4/GTK4.java
index 1a7f3083a24..13168e7ebe9 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT PI/gtk/org/eclipse/swt/internal/gtk4/GTK4.java	
+++ b/bundles/org.eclipse.swt/Eclipse SWT PI/gtk/org/eclipse/swt/internal/gtk4/GTK4.java	
@@ -649,6 +649,18 @@ public class GTK4 {
 	 * @param allocation cast=(GtkAllocation *),flags=no_out
 	 */
 	public static final native void gtk_widget_size_allocate(long widget, GtkAllocation allocation, int baseline);
+	/**
+	 * @param widget cast=(GtkWidget *)
+	 * @param parent cast=(GtkWidget *)
+	 * @param previous_sibling cast=(GtkWidget *)
+	 */
+	public static final native void gtk_widget_insert_after(long widget, long parent, long previous_sibling);
+	/**
+	 * @param widget cast=(GtkWidget *)
+	 * @param parent cast=(GtkWidget *)
+	 * @param next_sibling cast=(GtkWidget *)
+	 */
+	public static final native void gtk_widget_insert_before(long widget, long parent, long next_sibling);
 
 	/* GtkComboBox */
 	/** @param combo_box cast=(GtkComboBox *) */
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Composite.java b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Composite.java
index adae7906a9f..4beb8488ff0 100644
--- a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Composite.java	
+++ b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/Composite.java	
@@ -1353,7 +1353,15 @@ void markLayout (boolean changed, boolean all) {
 void moveAbove (long child, long sibling) {
 	if (child == sibling) return;
 	long parentHandle = parentingHandle ();
-	OS.swt_fixed_restack (parentHandle, child, sibling, true);
+	if (GTK.GTK4) {
+		if (sibling == 0) {
+			GTK4.gtk_widget_insert_after(child, parentHandle, 0L);
+		} else {
+			GTK4.gtk_widget_insert_before(child, parentHandle, sibling);
+		}
+	} else {
+		OS.swt_fixed_restack (parentHandle, child, sibling, true);
+	}
 	return;
 }
 
@@ -1364,7 +1372,15 @@ void moveBelow (long child, long sibling) {
 		moveAbove (child, scrolledHandle != 0  ? scrolledHandle : handle);
 		return;
 	}
-	OS.swt_fixed_restack (parentHandle, child, sibling, false);
+	if (GTK.GTK4) {
+		if (sibling == 0) {
+			GTK4.gtk_widget_insert_before(child, parentHandle, 0L);
+		} else {
+			GTK4.gtk_widget_insert_after(child, parentHandle, sibling);
+		}
+	} else {
+		OS.swt_fixed_restack (parentHandle, child, sibling, false);
+	}
 	return;
 }