diff --git a/src/Libraries/Lombiq.HelpfulLibraries b/src/Libraries/Lombiq.HelpfulLibraries
index f06eee2fa..d6f0688af 160000
--- a/src/Libraries/Lombiq.HelpfulLibraries
+++ b/src/Libraries/Lombiq.HelpfulLibraries
@@ -1 +1 @@
-Subproject commit f06eee2fa20bad5aa4eba3f50ab2907417b36dc1
+Subproject commit d6f0688af5658f9d333fe18ab64228ce6d7b2b94