diff --git a/README.md b/README.md
index c003158..cd7a0c0 100644
--- a/README.md
+++ b/README.md
@@ -57,6 +57,7 @@ You can also build binary in [MSYS2](https://msys2.github.io/) shell.
 * `rpi` - build for Raspberry Pi platform (PLATFORM_RPI)
 * `wayland` - build against Wayland libraries
 * `noaudio` - disables audio functions
+* `opengl43` - uses OpenGL 4.3 backend
 * `opengl21` - uses OpenGL 2.1 backend (default is 3.3 on desktop)
 * `opengl11` - uses OpenGL 1.1 backend (pseudo OpenGL 1.1 style)
 
diff --git a/raylib/cgo_darwin.go b/raylib/cgo_darwin.go
index d7a0a8d..6d0a8b2 100644
--- a/raylib/cgo_darwin.go
+++ b/raylib/cgo_darwin.go
@@ -26,6 +26,7 @@ package rl
 
 #cgo darwin,opengl11 CFLAGS: -DGRAPHICS_API_OPENGL_11
 #cgo darwin,opengl21 CFLAGS: -DGRAPHICS_API_OPENGL_21
-#cgo darwin,!opengl11,!opengl21 CFLAGS: -DGRAPHICS_API_OPENGL_33
+#cgo darwin,opengl43 CFLAGS: -DGRAPHICS_API_OPENGL_43
+#cgo darwin,!opengl11,!opengl21,!opengl43 CFLAGS: -DGRAPHICS_API_OPENGL_33
 */
 import "C"
diff --git a/raylib/cgo_linux.go b/raylib/cgo_linux.go
index e71bafc..0a0b495 100644
--- a/raylib/cgo_linux.go
+++ b/raylib/cgo_linux.go
@@ -46,6 +46,7 @@ package rl
 
 #cgo linux,opengl11 CFLAGS: -DGRAPHICS_API_OPENGL_11
 #cgo linux,opengl21 CFLAGS: -DGRAPHICS_API_OPENGL_21
-#cgo linux,!opengl11,!opengl21 CFLAGS: -DGRAPHICS_API_OPENGL_33
+#cgo linux,opengl43 CFLAGS: -DGRAPHICS_API_OPENGL_43
+#cgo linux,!opengl11,!opengl21,!opengl43 CFLAGS: -DGRAPHICS_API_OPENGL_33
 */
 import "C"
diff --git a/raylib/cgo_windows.go b/raylib/cgo_windows.go
index f198203..cc560f4 100644
--- a/raylib/cgo_windows.go
+++ b/raylib/cgo_windows.go
@@ -26,6 +26,7 @@ package rl
 
 #cgo windows,opengl11 CFLAGS: -DGRAPHICS_API_OPENGL_11
 #cgo windows,opengl21 CFLAGS: -DGRAPHICS_API_OPENGL_21
-#cgo windows,!opengl11,!opengl21 CFLAGS: -DGRAPHICS_API_OPENGL_33
+#cgo windows,opengl43 CFLAGS: -DGRAPHICS_API_OPENGL_43
+#cgo windows,!opengl11,!opengl21,!opengl43 CFLAGS: -DGRAPHICS_API_OPENGL_33
 */
 import "C"