diff --git a/external/iris b/external/iris
index 145a30ce8..7b3508cf5 160000
--- a/external/iris
+++ b/external/iris
@@ -1 +1 @@
-Subproject commit 145a30ce8a95759962fee6060359a800deb458ae
+Subproject commit 7b3508cf539d4f871c8f8d5635d12e4179f19957