diff --git a/external/SPIRV-Tools b/external/SPIRV-Tools
index 393d5c7df1..4bd1536ed7 160000
--- a/external/SPIRV-Tools
+++ b/external/SPIRV-Tools
@@ -1 +1 @@
-Subproject commit 393d5c7df150532045c50affffea2df22e8231b0
+Subproject commit 4bd1536ed79003a5194a4bd8c9aa2fa17a84c15b