diff --git a/Libraries/LibGUI/TabWidget.cpp b/Libraries/LibGUI/TabWidget.cpp
index 384a57d682..11af7af46d 100644
--- a/Libraries/LibGUI/TabWidget.cpp
+++ b/Libraries/LibGUI/TabWidget.cpp
@@ -259,4 +259,18 @@ int TabWidget::active_tab_index() const
     }
     return -1;
 }
+
+void TabWidget::set_tab_title(Widget& tab, const StringView& title)
+{
+    for (auto& t : m_tabs) {
+        if (t.widget == &tab) {
+            if (t.title != title) {
+                t.title = title;
+                update();
+            }
+            return;
+        }
+    }
+}
+
 }
diff --git a/Libraries/LibGUI/TabWidget.h b/Libraries/LibGUI/TabWidget.h
index 9aa4987c80..997c6c139a 100644
--- a/Libraries/LibGUI/TabWidget.h
+++ b/Libraries/LibGUI/TabWidget.h
@@ -65,7 +65,9 @@ public:
 
     void remove_tab(Widget& tab) { remove_widget(tab); }
 
-    Function<void(const Widget&)> on_change;
+    void set_tab_title(Widget& tab, const StringView& title);
+
+    Function<void(Widget&)> on_change;
 
 protected:
     TabWidget();