diff --git a/glm-source/GLM b/glm-source/GLM
index b9b8026..42ff5d2 160000
--- a/glm-source/GLM
+++ b/glm-source/GLM
@@ -1 +1 @@
-Subproject commit b9b80267c00da5704b2671cdf4380c59af962cf5
+Subproject commit 42ff5d2ec771c67e4db968bfca363492a5f77b3d