diff --git a/Libraries/LibGC/Timer.cpp b/Libraries/LibGC/Timer.cpp
index c6b42772f1..b508e6671d 100644
--- a/Libraries/LibGC/Timer.cpp
+++ b/Libraries/LibGC/Timer.cpp
@@ -48,6 +48,25 @@ void Timer::start(u64 timeout_ms, GC::Ref<GC::Function<void()>> on_timeout)
     m_timer->start();
 }
 
+void Timer::start_repeating(u64 interval_ms, GC::Ref<GC::Function<void()>> on_timeout)
+{
+    m_on_timeout = on_timeout;
+
+    m_timer->on_timeout = [this]() {
+        if (m_on_timeout)
+            m_on_timeout->function()();
+    };
+
+    m_timer->set_interval(static_cast<int>(interval_ms));
+    m_timer->set_single_shot(false);
+    m_timer->start();
+}
+
+void Timer::restart()
+{
+    m_timer->restart();
+}
+
 void Timer::stop_and_fire_timeout_handler()
 {
     auto on_timeout = m_on_timeout;
diff --git a/Libraries/LibGC/Timer.h b/Libraries/LibGC/Timer.h
index a1e4e7e41a..302c516497 100644
--- a/Libraries/LibGC/Timer.h
+++ b/Libraries/LibGC/Timer.h
@@ -25,6 +25,8 @@ public:
     virtual void finalize() override;
 
     void start(u64 timeout_ms, GC::Ref<GC::Function<void()>> on_timeout);
+    void start_repeating(u64 interval_ms, GC::Ref<GC::Function<void()>> on_timeout);
+    void restart();
     void stop_and_fire_timeout_handler();
     void stop();
 
diff --git a/Libraries/LibWeb/DOM/Document.cpp b/Libraries/LibWeb/DOM/Document.cpp
index 96d31a9e68..46756399ec 100644
--- a/Libraries/LibWeb/DOM/Document.cpp
+++ b/Libraries/LibWeb/DOM/Document.cpp
@@ -22,6 +22,7 @@
 #include <AK/Utf8View.h>
 #include <LibCore/Timer.h>
 #include <LibGC/RootVector.h>
+#include <LibGC/Timer.h>
 #include <LibHTTP/Cookie/Cookie.h>
 #include <LibHTTP/Cookie/ParsedCookie.h>
 #include <LibJS/Console.h>
@@ -544,7 +545,8 @@ Document::Document(JS::Realm& realm, URL::URL const& url, TemporaryDocumentForFr
 
     m_is_decoded_svg = m_page->client().is_svg_page_client();
 
-    m_cursor_blink_timer = Core::Timer::create_repeating(500, [this] {
+    m_cursor_blink_timer = heap().allocate<GC::Timer>();
+    m_cursor_blink_timer->start_repeating(500, GC::create_function(heap(), [this] {
         auto cursor_position = this->cursor_position();
         if (!cursor_position)
             return;
@@ -558,7 +560,7 @@ Document::Document(JS::Realm& realm, URL::URL const& url, TemporaryDocumentForFr
             m_cursor_blink_state = !m_cursor_blink_state;
             node->set_needs_repaint();
         }
-    });
+    }));
 
     HTML::main_thread_event_loop().register_document({}, *this);
 }
@@ -747,6 +749,7 @@ void Document::visit_edges(Cell::Visitor& visitor)
     visitor.visit(m_open_dialogs_list);
     visitor.visit(m_dialog_pointerdown_target);
     visitor.visit(m_console_client);
+    visitor.visit(m_cursor_blink_timer);
     visitor.visit(m_editing_host_manager);
     visitor.visit(m_local_storage_holder);
     visitor.visit(m_session_storage_holder);
diff --git a/Libraries/LibWeb/DOM/Document.h b/Libraries/LibWeb/DOM/Document.h
index 5122b67fa0..038fcdf3b8 100644
--- a/Libraries/LibWeb/DOM/Document.h
+++ b/Libraries/LibWeb/DOM/Document.h
@@ -1477,7 +1477,7 @@ private:
 
     GC::Ptr<JS::ConsoleClient> m_console_client;
 
-    RefPtr<Core::Timer> m_cursor_blink_timer;
+    GC::Ptr<GC::Timer> m_cursor_blink_timer;
     bool m_cursor_blink_state { false };
 
     // NOTE: This is GC::Weak, not GC::Ptr, on purpose. We don't want the document to keep some old detached navigable alive.