diff --git a/external/iris b/external/iris
index 7b3508cf5..72e683c9f 160000
--- a/external/iris
+++ b/external/iris
@@ -1 +1 @@
-Subproject commit 7b3508cf539d4f871c8f8d5635d12e4179f19957
+Subproject commit 72e683c9f42838e4f2a2ddbafcf03cd0a9321e5f