diff --git a/ref/glm b/ref/glm
index adf31f55..6f14f479 160000
--- a/ref/glm
+++ b/ref/glm
@@ -1 +1 @@
-Subproject commit adf31f555e73e2bd6fda373bb5d8740f9c6c17c0
+Subproject commit 6f14f4792a0cde5d0cf2c910506724d61cb95834