diff --git a/external/Phi b/external/Phi
index 4fa1f73f..1f6e3c4d 160000
--- a/external/Phi
+++ b/external/Phi
@@ -1 +1 @@
-Subproject commit 4fa1f73f498ced51c4d728bfac01c8c839dd9e73
+Subproject commit 1f6e3c4dd17acfda637ec09326530ced1894ba98