diff --git a/ref_gl/gl4es b/ref_gl/gl4es
index 36a5cd54..5c28420a 160000
--- a/ref_gl/gl4es
+++ b/ref_gl/gl4es
@@ -1 +1 @@
-Subproject commit 36a5cd54e7ff6cad15ce6d1924c63bf5cf64c1f1
+Subproject commit 5c28420a384c93345a7a5d060a56a0de5f2ac871