diff --git a/bind/v4k.lua b/bind/v4k.lua
index 3c6a9c7..7ff498d 100644
--- a/bind/v4k.lua
+++ b/bind/v4k.lua
@@ -2147,6 +2147,7 @@ enum WINDOW_FLAGS {
  double window_fps_target();
  void window_fps_lock(float fps);
  void window_fps_unlock();
+ void window_fps_vsync(int vsync);
  void window_screenshot(const char* outfile_png);
  int window_record(const char *outfile_mp4);
  vec2 window_dpi();
diff --git a/engine/joint/v4k.h b/engine/joint/v4k.h
index de878ad..8576394 100644
--- a/engine/joint/v4k.h
+++ b/engine/joint/v4k.h
@@ -18838,6 +18838,7 @@ API double   window_fps();
 API double   window_fps_target();
 API void     window_fps_lock(float fps);
 API void     window_fps_unlock();
+API void     window_fps_vsync(int vsync);
 
 API void     window_screenshot(const char* outfile_png); // , bool record_cursor
 API int      window_record(const char *outfile_mp4); // , bool record_cursor
@@ -393190,6 +393191,10 @@ double window_fps_target() {
     return hz;
 }
 
+void window_fps_vsync(int vsync) {
+    glfwSwapInterval(vsync);
+}
+
 uint64_t window_frame() {
     return frame_count;
 }
diff --git a/engine/split/v4k_window.c b/engine/split/v4k_window.c
index b387c36..81dbcce 100644
--- a/engine/split/v4k_window.c
+++ b/engine/split/v4k_window.c
@@ -792,6 +792,10 @@ double window_fps_target() {
     return hz;
 }
 
+void window_fps_vsync(int vsync) {
+    glfwSwapInterval(vsync);
+}
+
 uint64_t window_frame() {
     return frame_count;
 }
diff --git a/engine/split/v4k_window.h b/engine/split/v4k_window.h
index cf5337e..7268370 100644
--- a/engine/split/v4k_window.h
+++ b/engine/split/v4k_window.h
@@ -78,6 +78,7 @@ API double   window_fps();
 API double   window_fps_target();
 API void     window_fps_lock(float fps);
 API void     window_fps_unlock();
+API void     window_fps_vsync(int vsync);
 
 API void     window_screenshot(const char* outfile_png); // , bool record_cursor
 API int      window_record(const char *outfile_mp4); // , bool record_cursor
diff --git a/engine/v4k.c b/engine/v4k.c
index 8274271..277665a 100644
--- a/engine/v4k.c
+++ b/engine/v4k.c
@@ -27713,6 +27713,10 @@ double window_fps_target() {
     return hz;
 }
 
+void window_fps_vsync(int vsync) {
+    glfwSwapInterval(vsync);
+}
+
 uint64_t window_frame() {
     return frame_count;
 }
diff --git a/engine/v4k.h b/engine/v4k.h
index 616353e..92ab3bc 100644
--- a/engine/v4k.h
+++ b/engine/v4k.h
@@ -4905,6 +4905,7 @@ API double   window_fps();
 API double   window_fps_target();
 API void     window_fps_lock(float fps);
 API void     window_fps_unlock();
+API void     window_fps_vsync(int vsync);
 
 API void     window_screenshot(const char* outfile_png); // , bool record_cursor
 API int      window_record(const char *outfile_mp4); // , bool record_cursor