diff --git a/icepack b/icepack
index 51a93857d..74839d212 160000
--- a/icepack
+++ b/icepack
@@ -1 +1 @@
-Subproject commit 51a93857d155fc2ceeda30eb22cd6b4f773c8beb
+Subproject commit 74839d21286a7b02bc2b29ea49a06cdc013b8683