diff --git a/tests/storage/servers/davical b/tests/storage/servers/davical
index cce1273..bb64e1a 160000
--- a/tests/storage/servers/davical
+++ b/tests/storage/servers/davical
@@ -1 +1 @@
-Subproject commit cce1273cc883f3cdb3ccf37097b29ac0263b7055
+Subproject commit bb64e1a941cb3cc1e9ebc28af7c64c711526b3a9