diff --git a/external/SPIRV-Tools b/external/SPIRV-Tools
index 5ed21eb..3ac12f1 160000
--- a/external/SPIRV-Tools
+++ b/external/SPIRV-Tools
@@ -1 +1 @@
-Subproject commit 5ed21eb1e2f4b11dea5c840fc6c2fe805ed751f1
+Subproject commit 3ac12f1e37d20a6add31fa9a0f85720bdf1d4997